74018620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 171551520

約数和(自身を除く): 97532900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 169, 244, 260, 305, 338, 359, 610, 676, 718, 793, 845, 1220, 1436, 1586, 1690, 1795, 3172, 3380, 3590, 3965, 4667, 7180, 7930, 9334, 10309, 15860, 18668, 20618, 21899, 23335, 41236, 43798, 46670, 51545, 60671, 87596, 93340, 103090, 109495, 121342, 206180, 218990, 242684, 284687, 303355, 437980, 569374, 606710, 1138748, 1213420, 1423435, 2846870, 3700931, 5693740, 7401862, 14803724, 18504655, 37009310, 74018620]

約数ペア:

[(1, 74018620), (2, 37009310), (4, 18504655), (5, 14803724), (10, 7401862), (13, 5693740), (20, 3700931), (26, 2846870), (52, 1423435), (61, 1213420), (65, 1138748), (122, 606710), (130, 569374), (169, 437980), (244, 303355), (260, 284687), (305, 242684), (338, 218990), (359, 206180), (610, 121342), (676, 109495), (718, 103090), (793, 93340), (845, 87596), (1220, 60671), (1436, 51545), (1586, 46670), (1690, 43798), (1795, 41236), (3172, 23335), (3380, 21899), (3590, 20618), (3965, 18668), (4667, 15860), (7180, 10309), (7930, 9334)]