128450980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1741}}^1$

素因数の和:1805

約数の個数: 96

約数和(自身を含む): 337139712

約数和(自身を除く): 208688732

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 31, 34, 35, 62, 68, 70, 85, 119, 124, 140, 155, 170, 217, 238, 310, 340, 434, 476, 527, 595, 620, 868, 1054, 1085, 1190, 1741, 2108, 2170, 2380, 2635, 3482, 3689, 4340, 5270, 6964, 7378, 8705, 10540, 12187, 14756, 17410, 18445, 24374, 29597, 34820, 36890, 48748, 53971, 59194, 60935, 73780, 107942, 118388, 121870, 147985, 207179, 215884, 243740, 269855, 295970, 377797, 414358, 539710, 591940, 755594, 828716, 917507, 1035895, 1079420, 1511188, 1835014, 1888985, 2071790, 3670028, 3777970, 4143580, 4587535, 6422549, 7555940, 9175070, 12845098, 18350140, 25690196, 32112745, 64225490, 128450980]

約数ペア:

[(1, 128450980), (2, 64225490), (4, 32112745), (5, 25690196), (7, 18350140), (10, 12845098), (14, 9175070), (17, 7555940), (20, 6422549), (28, 4587535), (31, 4143580), (34, 3777970), (35, 3670028), (62, 2071790), (68, 1888985), (70, 1835014), (85, 1511188), (119, 1079420), (124, 1035895), (140, 917507), (155, 828716), (170, 755594), (217, 591940), (238, 539710), (310, 414358), (340, 377797), (434, 295970), (476, 269855), (527, 243740), (595, 215884), (620, 207179), (868, 147985), (1054, 121870), (1085, 118388), (1190, 107942), (1741, 73780), (2108, 60935), (2170, 59194), (2380, 53971), (2635, 48748), (3482, 36890), (3689, 34820), (4340, 29597), (5270, 24374), (6964, 18445), (7378, 17410), (8705, 14756), (10540, 12187)]