218683640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1709}}^1$

素因数の和:2184

約数の個数: 64

約数和(自身を含む): 563889600

約数和(自身を除く): 345205960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 457, 914, 1709, 1828, 2285, 3199, 3418, 3656, 4570, 6398, 6836, 8545, 9140, 11963, 12796, 13672, 15995, 17090, 18280, 23926, 25592, 31990, 34180, 47852, 59815, 63980, 68360, 95704, 119630, 127960, 239260, 478520, 781013, 1562026, 3124052, 3905065, 5467091, 6248104, 7810130, 10934182, 15620260, 21868364, 27335455, 31240520, 43736728, 54670910, 109341820, 218683640]

約数ペア:

[(1, 218683640), (2, 109341820), (4, 54670910), (5, 43736728), (7, 31240520), (8, 27335455), (10, 21868364), (14, 15620260), (20, 10934182), (28, 7810130), (35, 6248104), (40, 5467091), (56, 3905065), (70, 3124052), (140, 1562026), (280, 781013), (457, 478520), (914, 239260), (1709, 127960), (1828, 119630), (2285, 95704), (3199, 68360), (3418, 63980), (3656, 59815), (4570, 47852), (6398, 34180), (6836, 31990), (8545, 25592), (9140, 23926), (11963, 18280), (12796, 17090), (13672, 15995)]