398127420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1399}}^1$

素因数の和:1465

約数の個数: 192

約数和(自身を含む): 1354752000

約数和(自身を除く): 956624580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 31, 34, 36, 45, 51, 54, 60, 62, 68, 85, 90, 93, 102, 108, 124, 135, 153, 155, 170, 180, 186, 204, 255, 270, 279, 306, 310, 340, 372, 459, 465, 510, 527, 540, 558, 612, 620, 765, 837, 918, 930, 1020, 1054, 1116, 1395, 1399, 1530, 1581, 1674, 1836, 1860, 2108, 2295, 2635, 2790, 2798, 3060, 3162, 3348, 4185, 4197, 4590, 4743, 5270, 5580, 5596, 6324, 6995, 7905, 8370, 8394, 9180, 9486, 10540, 12591, 13990, 14229, 15810, 16740, 16788, 18972, 20985, 23715, 23783, 25182, 27980, 28458, 31620, 37773, 41970, 43369, 47430, 47566, 50364, 56916, 62955, 71145, 71349, 75546, 83940, 86738, 94860, 95132, 118915, 125910, 130107, 142290, 142698, 151092, 173476, 188865, 214047, 216845, 237830, 251820, 260214, 284580, 285396, 356745, 377730, 390321, 428094, 433690, 475660, 520428, 642141, 650535, 713490, 737273, 755460, 780642, 856188, 867380, 1070235, 1170963, 1284282, 1301070, 1426980, 1474546, 1561284, 1951605, 2140470, 2211819, 2341926, 2568564, 2602140, 2949092, 3210705, 3686365, 3903210, 4280940, 4423638, 4683852, 5854815, 6421410, 6635457, 7372730, 7806420, 8847276, 11059095, 11709630, 12842820, 13270914, 14745460, 19906371, 22118190, 23419260, 26541828, 33177285, 39812742, 44236380, 66354570, 79625484, 99531855, 132709140, 199063710, 398127420]

約数ペア:

[(1, 398127420), (2, 199063710), (3, 132709140), (4, 99531855), (5, 79625484), (6, 66354570), (9, 44236380), (10, 39812742), (12, 33177285), (15, 26541828), (17, 23419260), (18, 22118190), (20, 19906371), (27, 14745460), (30, 13270914), (31, 12842820), (34, 11709630), (36, 11059095), (45, 8847276), (51, 7806420), (54, 7372730), (60, 6635457), (62, 6421410), (68, 5854815), (85, 4683852), (90, 4423638), (93, 4280940), (102, 3903210), (108, 3686365), (124, 3210705), (135, 2949092), (153, 2602140), (155, 2568564), (170, 2341926), (180, 2211819), (186, 2140470), (204, 1951605), (255, 1561284), (270, 1474546), (279, 1426980), (306, 1301070), (310, 1284282), (340, 1170963), (372, 1070235), (459, 867380), (465, 856188), (510, 780642), (527, 755460), (540, 737273), (558, 713490), (612, 650535), (620, 642141), (765, 520428), (837, 475660), (918, 433690), (930, 428094), (1020, 390321), (1054, 377730), (1116, 356745), (1395, 285396), (1399, 284580), (1530, 260214), (1581, 251820), (1674, 237830), (1836, 216845), (1860, 214047), (2108, 188865), (2295, 173476), (2635, 151092), (2790, 142698), (2798, 142290), (3060, 130107), (3162, 125910), (3348, 118915), (4185, 95132), (4197, 94860), (4590, 86738), (4743, 83940), (5270, 75546), (5580, 71349), (5596, 71145), (6324, 62955), (6995, 56916), (7905, 50364), (8370, 47566), (8394, 47430), (9180, 43369), (9486, 41970), (10540, 37773), (12591, 31620), (13990, 28458), (14229, 27980), (15810, 25182), (16740, 23783), (16788, 23715), (18972, 20985)]