398200860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{761}}^1$

素因数の和:818

約数の個数: 240

約数和(自身を含む): 1394094240

約数和(自身を除く): 995893380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 27, 30, 34, 36, 38, 45, 51, 54, 57, 60, 68, 76, 81, 85, 90, 95, 102, 108, 114, 135, 153, 162, 170, 171, 180, 190, 204, 228, 255, 270, 285, 306, 323, 324, 340, 342, 380, 405, 459, 510, 513, 540, 570, 612, 646, 684, 761, 765, 810, 855, 918, 969, 1020, 1026, 1140, 1292, 1377, 1522, 1530, 1539, 1615, 1620, 1710, 1836, 1938, 2052, 2283, 2295, 2565, 2754, 2907, 3044, 3060, 3078, 3230, 3420, 3805, 3876, 4566, 4590, 4845, 5130, 5508, 5814, 6156, 6460, 6849, 6885, 7610, 7695, 8721, 9132, 9180, 9690, 10260, 11415, 11628, 12937, 13698, 13770, 14459, 14535, 15220, 15390, 17442, 19380, 20547, 22830, 25874, 26163, 27396, 27540, 28918, 29070, 30780, 34245, 34884, 38811, 41094, 43377, 43605, 45660, 51748, 52326, 57836, 58140, 61641, 64685, 68490, 72295, 77622, 82188, 86754, 87210, 102735, 104652, 116433, 123282, 129370, 130131, 130815, 136980, 144590, 155244, 173508, 174420, 194055, 205470, 216885, 232866, 245803, 246564, 258740, 260262, 261630, 289180, 308205, 349299, 388110, 390393, 410940, 433770, 465732, 491606, 520524, 523260, 582165, 616410, 650655, 698598, 737409, 776220, 780786, 867540, 983212, 1047897, 1164330, 1171179, 1229015, 1232820, 1301310, 1397196, 1474818, 1561572, 1746495, 1951965, 2095794, 2212227, 2328660, 2342358, 2458030, 2602620, 2949636, 3492990, 3687045, 3903930, 4191588, 4424454, 4684716, 4916060, 5239485, 5855895, 6636681, 6985980, 7374090, 7807860, 8848908, 10478970, 11061135, 11711790, 13273362, 14748180, 19910043, 20957940, 22122270, 23423580, 26546724, 33183405, 39820086, 44244540, 66366810, 79640172, 99550215, 132733620, 199100430, 398200860]

約数ペア:

[(1, 398200860), (2, 199100430), (3, 132733620), (4, 99550215), (5, 79640172), (6, 66366810), (9, 44244540), (10, 39820086), (12, 33183405), (15, 26546724), (17, 23423580), (18, 22122270), (19, 20957940), (20, 19910043), (27, 14748180), (30, 13273362), (34, 11711790), (36, 11061135), (38, 10478970), (45, 8848908), (51, 7807860), (54, 7374090), (57, 6985980), (60, 6636681), (68, 5855895), (76, 5239485), (81, 4916060), (85, 4684716), (90, 4424454), (95, 4191588), (102, 3903930), (108, 3687045), (114, 3492990), (135, 2949636), (153, 2602620), (162, 2458030), (170, 2342358), (171, 2328660), (180, 2212227), (190, 2095794), (204, 1951965), (228, 1746495), (255, 1561572), (270, 1474818), (285, 1397196), (306, 1301310), (323, 1232820), (324, 1229015), (340, 1171179), (342, 1164330), (380, 1047897), (405, 983212), (459, 867540), (510, 780786), (513, 776220), (540, 737409), (570, 698598), (612, 650655), (646, 616410), (684, 582165), (761, 523260), (765, 520524), (810, 491606), (855, 465732), (918, 433770), (969, 410940), (1020, 390393), (1026, 388110), (1140, 349299), (1292, 308205), (1377, 289180), (1522, 261630), (1530, 260262), (1539, 258740), (1615, 246564), (1620, 245803), (1710, 232866), (1836, 216885), (1938, 205470), (2052, 194055), (2283, 174420), (2295, 173508), (2565, 155244), (2754, 144590), (2907, 136980), (3044, 130815), (3060, 130131), (3078, 129370), (3230, 123282), (3420, 116433), (3805, 104652), (3876, 102735), (4566, 87210), (4590, 86754), (4845, 82188), (5130, 77622), (5508, 72295), (5814, 68490), (6156, 64685), (6460, 61641), (6849, 58140), (6885, 57836), (7610, 52326), (7695, 51748), (8721, 45660), (9132, 43605), (9180, 43377), (9690, 41094), (10260, 38811), (11415, 34884), (11628, 34245), (12937, 30780), (13698, 29070), (13770, 28918), (14459, 27540), (14535, 27396), (15220, 26163), (15390, 25874), (17442, 22830), (19380, 20547)]