74735420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{809}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 163296000

約数和(自身を除く): 88560580

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 149, 155, 298, 310, 596, 620, 745, 809, 1490, 1618, 2980, 3236, 4045, 4619, 8090, 9238, 16180, 18476, 23095, 25079, 46190, 50158, 92380, 100316, 120541, 125395, 241082, 250790, 482164, 501580, 602705, 1205410, 2410820, 3736771, 7473542, 14947084, 18683855, 37367710, 74735420]

約数ペア:

[(1, 74735420), (2, 37367710), (4, 18683855), (5, 14947084), (10, 7473542), (20, 3736771), (31, 2410820), (62, 1205410), (124, 602705), (149, 501580), (155, 482164), (298, 250790), (310, 241082), (596, 125395), (620, 120541), (745, 100316), (809, 92380), (1490, 50158), (1618, 46190), (2980, 25079), (3236, 23095), (4045, 18476), (4619, 16180), (8090, 9238)]