331340920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{1709}}^1$

素因数の和:1888

約数の個数: 64

約数和(自身を含む): 771962400

約数和(自身を除く): 440621480

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 131, 148, 185, 262, 296, 370, 524, 655, 740, 1048, 1310, 1480, 1709, 2620, 3418, 4847, 5240, 6836, 8545, 9694, 13672, 17090, 19388, 24235, 34180, 38776, 48470, 63233, 68360, 96940, 126466, 193880, 223879, 252932, 316165, 447758, 505864, 632330, 895516, 1119395, 1264660, 1791032, 2238790, 2529320, 4477580, 8283523, 8955160, 16567046, 33134092, 41417615, 66268184, 82835230, 165670460, 331340920]

約数ペア:

[(1, 331340920), (2, 165670460), (4, 82835230), (5, 66268184), (8, 41417615), (10, 33134092), (20, 16567046), (37, 8955160), (40, 8283523), (74, 4477580), (131, 2529320), (148, 2238790), (185, 1791032), (262, 1264660), (296, 1119395), (370, 895516), (524, 632330), (655, 505864), (740, 447758), (1048, 316165), (1310, 252932), (1480, 223879), (1709, 193880), (2620, 126466), (3418, 96940), (4847, 68360), (5240, 63233), (6836, 48470), (8545, 38776), (9694, 34180), (13672, 24235), (17090, 19388)]