71330980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 190624896

約数和(自身を除く): 119293916

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 41, 43, 68, 70, 82, 85, 86, 119, 140, 164, 170, 172, 205, 215, 238, 287, 289, 301, 340, 410, 430, 476, 574, 578, 595, 602, 697, 731, 820, 860, 1148, 1156, 1190, 1204, 1394, 1435, 1445, 1462, 1505, 1763, 2023, 2380, 2788, 2870, 2890, 2924, 3010, 3485, 3526, 3655, 4046, 4879, 5117, 5740, 5780, 6020, 6970, 7052, 7310, 8092, 8815, 9758, 10115, 10234, 11849, 12341, 12427, 13940, 14620, 17630, 19516, 20230, 20468, 23698, 24395, 24682, 24854, 25585, 29971, 35260, 40460, 47396, 48790, 49364, 49708, 51170, 59245, 59942, 61705, 62135, 82943, 86989, 97580, 102340, 118490, 119884, 123410, 124270, 149855, 165886, 173978, 209797, 236980, 246820, 248540, 299710, 331772, 347956, 414715, 419594, 434945, 509507, 599420, 829430, 839188, 869890, 1019014, 1048985, 1658860, 1739780, 2038028, 2097970, 2547535, 3566549, 4195940, 5095070, 7133098, 10190140, 14266196, 17832745, 35665490, 71330980]

約数ペア:

[(1, 71330980), (2, 35665490), (4, 17832745), (5, 14266196), (7, 10190140), (10, 7133098), (14, 5095070), (17, 4195940), (20, 3566549), (28, 2547535), (34, 2097970), (35, 2038028), (41, 1739780), (43, 1658860), (68, 1048985), (70, 1019014), (82, 869890), (85, 839188), (86, 829430), (119, 599420), (140, 509507), (164, 434945), (170, 419594), (172, 414715), (205, 347956), (215, 331772), (238, 299710), (287, 248540), (289, 246820), (301, 236980), (340, 209797), (410, 173978), (430, 165886), (476, 149855), (574, 124270), (578, 123410), (595, 119884), (602, 118490), (697, 102340), (731, 97580), (820, 86989), (860, 82943), (1148, 62135), (1156, 61705), (1190, 59942), (1204, 59245), (1394, 51170), (1435, 49708), (1445, 49364), (1462, 48790), (1505, 47396), (1763, 40460), (2023, 35260), (2380, 29971), (2788, 25585), (2870, 24854), (2890, 24682), (2924, 24395), (3010, 23698), (3485, 20468), (3526, 20230), (3655, 19516), (4046, 17630), (4879, 14620), (5117, 13940), (5740, 12427), (5780, 12341), (6020, 11849), (6970, 10234), (7052, 10115), (7310, 9758), (8092, 8815)]