390560560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2957}}^1$

素因数の和:3110

約数の個数: 80

約数和(自身を含む): 985936896

約数和(自身を除く): 595376336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 520, 635, 1016, 1040, 1270, 1651, 2032, 2540, 2957, 3302, 5080, 5914, 6604, 8255, 10160, 11828, 13208, 14785, 16510, 23656, 26416, 29570, 33020, 38441, 47312, 59140, 66040, 76882, 118280, 132080, 153764, 192205, 236560, 307528, 375539, 384410, 615056, 751078, 768820, 1502156, 1537640, 1877695, 3004312, 3075280, 3755390, 4882007, 6008624, 7510780, 9764014, 15021560, 19528028, 24410035, 30043120, 39056056, 48820070, 78112112, 97640140, 195280280, 390560560]

約数ペア:

[(1, 390560560), (2, 195280280), (4, 97640140), (5, 78112112), (8, 48820070), (10, 39056056), (13, 30043120), (16, 24410035), (20, 19528028), (26, 15021560), (40, 9764014), (52, 7510780), (65, 6008624), (80, 4882007), (104, 3755390), (127, 3075280), (130, 3004312), (208, 1877695), (254, 1537640), (260, 1502156), (508, 768820), (520, 751078), (635, 615056), (1016, 384410), (1040, 375539), (1270, 307528), (1651, 236560), (2032, 192205), (2540, 153764), (2957, 132080), (3302, 118280), (5080, 76882), (5914, 66040), (6604, 59140), (8255, 47312), (10160, 38441), (11828, 33020), (13208, 29570), (14785, 26416), (16510, 23656)]