197152740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3391}}^1$

素因数の和:3442

約数の個数: 144

約数和(自身を含む): 666731520

約数和(自身を除く): 469578780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 85, 90, 95, 102, 114, 153, 170, 171, 180, 190, 204, 228, 255, 285, 306, 323, 340, 342, 380, 510, 570, 612, 646, 684, 765, 855, 969, 1020, 1140, 1292, 1530, 1615, 1710, 1938, 2907, 3060, 3230, 3391, 3420, 3876, 4845, 5814, 6460, 6782, 9690, 10173, 11628, 13564, 14535, 16955, 19380, 20346, 29070, 30519, 33910, 40692, 50865, 57647, 58140, 61038, 64429, 67820, 101730, 115294, 122076, 128858, 152595, 172941, 193287, 203460, 230588, 257716, 288235, 305190, 322145, 345882, 386574, 518823, 576470, 579861, 610380, 644290, 691764, 773148, 864705, 966435, 1037646, 1095293, 1152940, 1159722, 1288580, 1729410, 1932870, 2075292, 2190586, 2319444, 2594115, 2899305, 3285879, 3458820, 3865740, 4381172, 5188230, 5476465, 5798610, 6571758, 9857637, 10376460, 10952930, 11597220, 13143516, 16429395, 19715274, 21905860, 32858790, 39430548, 49288185, 65717580, 98576370, 197152740]

約数ペア:

[(1, 197152740), (2, 98576370), (3, 65717580), (4, 49288185), (5, 39430548), (6, 32858790), (9, 21905860), (10, 19715274), (12, 16429395), (15, 13143516), (17, 11597220), (18, 10952930), (19, 10376460), (20, 9857637), (30, 6571758), (34, 5798610), (36, 5476465), (38, 5188230), (45, 4381172), (51, 3865740), (57, 3458820), (60, 3285879), (68, 2899305), (76, 2594115), (85, 2319444), (90, 2190586), (95, 2075292), (102, 1932870), (114, 1729410), (153, 1288580), (170, 1159722), (171, 1152940), (180, 1095293), (190, 1037646), (204, 966435), (228, 864705), (255, 773148), (285, 691764), (306, 644290), (323, 610380), (340, 579861), (342, 576470), (380, 518823), (510, 386574), (570, 345882), (612, 322145), (646, 305190), (684, 288235), (765, 257716), (855, 230588), (969, 203460), (1020, 193287), (1140, 172941), (1292, 152595), (1530, 128858), (1615, 122076), (1710, 115294), (1938, 101730), (2907, 67820), (3060, 64429), (3230, 61038), (3391, 58140), (3420, 57647), (3876, 50865), (4845, 40692), (5814, 33910), (6460, 30519), (6782, 29070), (9690, 20346), (10173, 19380), (11628, 16955), (13564, 14535)]