212902240

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{14951}}^1$

素因数の和:15055

約数の個数: 48

約数和(自身を含む): 508667040

約数和(自身を除く): 295764800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 7120, 14240, 14951, 29902, 59804, 74755, 119608, 149510, 239216, 299020, 478432, 598040, 1196080, 1330639, 2392160, 2661278, 5322556, 6653195, 10645112, 13306390, 21290224, 26612780, 42580448, 53225560, 106451120, 212902240]

約数ペア:

[(1, 212902240), (2, 106451120), (4, 53225560), (5, 42580448), (8, 26612780), (10, 21290224), (16, 13306390), (20, 10645112), (32, 6653195), (40, 5322556), (80, 2661278), (89, 2392160), (160, 1330639), (178, 1196080), (356, 598040), (445, 478432), (712, 299020), (890, 239216), (1424, 149510), (1780, 119608), (2848, 74755), (3560, 59804), (7120, 29902), (14240, 14951)]