22491980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{389}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 56019600

約数和(自身を除く): 33527620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 59, 70, 98, 118, 140, 196, 236, 245, 295, 389, 413, 490, 590, 778, 826, 980, 1180, 1556, 1652, 1945, 2065, 2723, 2891, 3890, 4130, 5446, 5782, 7780, 8260, 10892, 11564, 13615, 14455, 19061, 22951, 27230, 28910, 38122, 45902, 54460, 57820, 76244, 91804, 95305, 114755, 160657, 190610, 229510, 321314, 381220, 459020, 642628, 803285, 1124599, 1606570, 2249198, 3213140, 4498396, 5622995, 11245990, 22491980]

約数ペア:

[(1, 22491980), (2, 11245990), (4, 5622995), (5, 4498396), (7, 3213140), (10, 2249198), (14, 1606570), (20, 1124599), (28, 803285), (35, 642628), (49, 459020), (59, 381220), (70, 321314), (98, 229510), (118, 190610), (140, 160657), (196, 114755), (236, 95305), (245, 91804), (295, 76244), (389, 57820), (413, 54460), (490, 45902), (590, 38122), (778, 28910), (826, 27230), (980, 22951), (1180, 19061), (1556, 14455), (1652, 13615), (1945, 11564), (2065, 10892), (2723, 8260), (2891, 7780), (3890, 5782), (4130, 5446)]