161710900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6547}}^1$

素因数の和:6593

約数の個数: 72

約数和(自身を含む): 397856480

約数和(自身を除く): 236145580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 380, 475, 494, 650, 950, 988, 1235, 1300, 1900, 2470, 4940, 6175, 6547, 12350, 13094, 24700, 26188, 32735, 65470, 85111, 124393, 130940, 163675, 170222, 248786, 327350, 340444, 425555, 497572, 621965, 654700, 851110, 1243930, 1617109, 1702220, 2127775, 2487860, 3109825, 3234218, 4255550, 6219650, 6468436, 8085545, 8511100, 12439300, 16171090, 32342180, 40427725, 80855450, 161710900]

約数ペア:

[(1, 161710900), (2, 80855450), (4, 40427725), (5, 32342180), (10, 16171090), (13, 12439300), (19, 8511100), (20, 8085545), (25, 6468436), (26, 6219650), (38, 4255550), (50, 3234218), (52, 3109825), (65, 2487860), (76, 2127775), (95, 1702220), (100, 1617109), (130, 1243930), (190, 851110), (247, 654700), (260, 621965), (325, 497572), (380, 425555), (475, 340444), (494, 327350), (650, 248786), (950, 170222), (988, 163675), (1235, 130940), (1300, 124393), (1900, 85111), (2470, 65470), (4940, 32735), (6175, 26188), (6547, 24700), (12350, 13094)]