308335960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{719}}^1$

素因数の和:952

約数の個数: 64

約数和(自身を含む): 709171200

約数和(自身を除く): 400835240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 151, 284, 302, 355, 568, 604, 710, 719, 755, 1208, 1420, 1438, 1510, 2840, 2876, 3020, 3595, 5752, 6040, 7190, 10721, 14380, 21442, 28760, 42884, 51049, 53605, 85768, 102098, 107210, 108569, 204196, 214420, 217138, 255245, 408392, 428840, 434276, 510490, 542845, 868552, 1020980, 1085690, 2041960, 2171380, 4342760, 7708399, 15416798, 30833596, 38541995, 61667192, 77083990, 154167980, 308335960]

約数ペア:

[(1, 308335960), (2, 154167980), (4, 77083990), (5, 61667192), (8, 38541995), (10, 30833596), (20, 15416798), (40, 7708399), (71, 4342760), (142, 2171380), (151, 2041960), (284, 1085690), (302, 1020980), (355, 868552), (568, 542845), (604, 510490), (710, 434276), (719, 428840), (755, 408392), (1208, 255245), (1420, 217138), (1438, 214420), (1510, 204196), (2840, 108569), (2876, 107210), (3020, 102098), (3595, 85768), (5752, 53605), (6040, 51049), (7190, 42884), (10721, 28760), (14380, 21442)]