421964660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{24223}}^1$

素因数の和:24312

約数の個数: 48

約数和(自身を含む): 968572416

約数和(自身を除く): 546607756

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 3484, 4355, 8710, 17420, 24223, 48446, 96892, 121115, 242230, 314899, 484460, 629798, 1259596, 1574495, 1622941, 3148990, 3245882, 6297980, 6491764, 8114705, 16229410, 21098233, 32458820, 42196466, 84392932, 105491165, 210982330, 421964660]

約数ペア:

[(1, 421964660), (2, 210982330), (4, 105491165), (5, 84392932), (10, 42196466), (13, 32458820), (20, 21098233), (26, 16229410), (52, 8114705), (65, 6491764), (67, 6297980), (130, 3245882), (134, 3148990), (260, 1622941), (268, 1574495), (335, 1259596), (670, 629798), (871, 484460), (1340, 314899), (1742, 242230), (3484, 121115), (4355, 96892), (8710, 48446), (17420, 24223)]