218540200

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^2\times {\mathrm{389}}^1$

素因数の和:511

約数の個数: 72

約数和(自身を含む): 519205050

約数和(自身を除く): 300664850

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 200, 212, 265, 389, 424, 530, 778, 1060, 1325, 1556, 1945, 2120, 2650, 2809, 3112, 3890, 5300, 5618, 7780, 9725, 10600, 11236, 14045, 15560, 19450, 20617, 22472, 28090, 38900, 41234, 56180, 70225, 77800, 82468, 103085, 112360, 140450, 164936, 206170, 280900, 412340, 515425, 561800, 824680, 1030850, 1092701, 2061700, 2185402, 4123400, 4370804, 5463505, 8741608, 10927010, 21854020, 27317525, 43708040, 54635050, 109270100, 218540200]

約数ペア:

[(1, 218540200), (2, 109270100), (4, 54635050), (5, 43708040), (8, 27317525), (10, 21854020), (20, 10927010), (25, 8741608), (40, 5463505), (50, 4370804), (53, 4123400), (100, 2185402), (106, 2061700), (200, 1092701), (212, 1030850), (265, 824680), (389, 561800), (424, 515425), (530, 412340), (778, 280900), (1060, 206170), (1325, 164936), (1556, 140450), (1945, 112360), (2120, 103085), (2650, 82468), (2809, 77800), (3112, 70225), (3890, 56180), (5300, 41234), (5618, 38900), (7780, 28090), (9725, 22472), (10600, 20617), (11236, 19450), (14045, 15560)]