87498760

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{277}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 202662000

約数和(自身を除く): 115163240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 149, 212, 265, 277, 298, 424, 530, 554, 596, 745, 1060, 1108, 1192, 1385, 1490, 2120, 2216, 2770, 2980, 5540, 5960, 7897, 11080, 14681, 15794, 29362, 31588, 39485, 41273, 58724, 63176, 73405, 78970, 82546, 117448, 146810, 157940, 165092, 206365, 293620, 315880, 330184, 412730, 587240, 825460, 1650920, 2187469, 4374938, 8749876, 10937345, 17499752, 21874690, 43749380, 87498760]

約数ペア:

[(1, 87498760), (2, 43749380), (4, 21874690), (5, 17499752), (8, 10937345), (10, 8749876), (20, 4374938), (40, 2187469), (53, 1650920), (106, 825460), (149, 587240), (212, 412730), (265, 330184), (277, 315880), (298, 293620), (424, 206365), (530, 165092), (554, 157940), (596, 146810), (745, 117448), (1060, 82546), (1108, 78970), (1192, 73405), (1385, 63176), (1490, 58724), (2120, 41273), (2216, 39485), (2770, 31588), (2980, 29362), (5540, 15794), (5960, 14681), (7897, 11080)]