157245140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:409

約数の個数: 96

約数和(自身を含む): 378672000

約数和(自身を除く): 221426860

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 139, 190, 229, 247, 260, 278, 380, 458, 494, 556, 695, 916, 988, 1145, 1235, 1390, 1807, 2290, 2470, 2641, 2780, 2977, 3614, 4351, 4580, 4940, 5282, 5954, 7228, 8702, 9035, 10564, 11908, 13205, 14885, 17404, 18070, 21755, 26410, 29770, 31831, 34333, 36140, 43510, 52820, 56563, 59540, 63662, 68666, 87020, 113126, 127324, 137332, 159155, 171665, 226252, 282815, 318310, 343330, 413803, 565630, 604789, 636620, 686660, 827606, 1131260, 1209578, 1655212, 2069015, 2419156, 3023945, 4138030, 6047890, 7862257, 8276060, 12095780, 15724514, 31449028, 39311285, 78622570, 157245140]

約数ペア:

[(1, 157245140), (2, 78622570), (4, 39311285), (5, 31449028), (10, 15724514), (13, 12095780), (19, 8276060), (20, 7862257), (26, 6047890), (38, 4138030), (52, 3023945), (65, 2419156), (76, 2069015), (95, 1655212), (130, 1209578), (139, 1131260), (190, 827606), (229, 686660), (247, 636620), (260, 604789), (278, 565630), (380, 413803), (458, 343330), (494, 318310), (556, 282815), (695, 226252), (916, 171665), (988, 159155), (1145, 137332), (1235, 127324), (1390, 113126), (1807, 87020), (2290, 68666), (2470, 63662), (2641, 59540), (2780, 56563), (2977, 52820), (3614, 43510), (4351, 36140), (4580, 34333), (4940, 31831), (5282, 29770), (5954, 26410), (7228, 21755), (8702, 18070), (9035, 17404), (10564, 14885), (11908, 13205)]