131418420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1993}}^1$

素因数の和:2169

約数の個数: 96

約数和(自身を含む): 423429888

約数和(自身を除く): 292011468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 157, 210, 314, 420, 471, 628, 785, 942, 1099, 1570, 1884, 1993, 2198, 2355, 3140, 3297, 3986, 4396, 4710, 5495, 5979, 6594, 7972, 9420, 9965, 10990, 11958, 13188, 13951, 16485, 19930, 21980, 23916, 27902, 29895, 32970, 39860, 41853, 55804, 59790, 65940, 69755, 83706, 119580, 139510, 167412, 209265, 279020, 312901, 418530, 625802, 837060, 938703, 1251604, 1564505, 1877406, 2190307, 3129010, 3754812, 4380614, 4693515, 6258020, 6570921, 8761228, 9387030, 10951535, 13141842, 18774060, 21903070, 26283684, 32854605, 43806140, 65709210, 131418420]

約数ペア:

[(1, 131418420), (2, 65709210), (3, 43806140), (4, 32854605), (5, 26283684), (6, 21903070), (7, 18774060), (10, 13141842), (12, 10951535), (14, 9387030), (15, 8761228), (20, 6570921), (21, 6258020), (28, 4693515), (30, 4380614), (35, 3754812), (42, 3129010), (60, 2190307), (70, 1877406), (84, 1564505), (105, 1251604), (140, 938703), (157, 837060), (210, 625802), (314, 418530), (420, 312901), (471, 279020), (628, 209265), (785, 167412), (942, 139510), (1099, 119580), (1570, 83706), (1884, 69755), (1993, 65940), (2198, 59790), (2355, 55804), (3140, 41853), (3297, 39860), (3986, 32970), (4396, 29895), (4710, 27902), (5495, 23916), (5979, 21980), (6594, 19930), (7972, 16485), (9420, 13951), (9965, 13188), (10990, 11958)]