490425520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{27739}}^1$

素因数の和:27782

約数の個数: 80

約数和(自身を含む): 1300229280

約数和(自身を除く): 809803760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 8840, 17680, 27739, 55478, 110956, 138695, 221912, 277390, 360607, 443824, 471563, 554780, 721214, 943126, 1109560, 1442428, 1803035, 1886252, 2219120, 2357815, 2884856, 3606070, 3772504, 4715630, 5769712, 6130319, 7212140, 7545008, 9431260, 12260638, 14424280, 18862520, 24521276, 28848560, 30651595, 37725040, 49042552, 61303190, 98085104, 122606380, 245212760, 490425520]

約数ペア:

[(1, 490425520), (2, 245212760), (4, 122606380), (5, 98085104), (8, 61303190), (10, 49042552), (13, 37725040), (16, 30651595), (17, 28848560), (20, 24521276), (26, 18862520), (34, 14424280), (40, 12260638), (52, 9431260), (65, 7545008), (68, 7212140), (80, 6130319), (85, 5769712), (104, 4715630), (130, 3772504), (136, 3606070), (170, 2884856), (208, 2357815), (221, 2219120), (260, 1886252), (272, 1803035), (340, 1442428), (442, 1109560), (520, 943126), (680, 721214), (884, 554780), (1040, 471563), (1105, 443824), (1360, 360607), (1768, 277390), (2210, 221912), (3536, 138695), (4420, 110956), (8840, 55478), (17680, 27739)]