87412390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 175738752

約数和(自身を除く): 88326362

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 73, 122, 130, 146, 151, 302, 305, 365, 610, 730, 755, 793, 949, 1510, 1586, 1898, 1963, 3926, 3965, 4453, 4745, 7930, 8906, 9211, 9490, 9815, 11023, 18422, 19630, 22046, 22265, 44530, 46055, 55115, 57889, 92110, 110230, 115778, 119743, 143299, 239486, 286598, 289445, 578890, 598715, 672403, 716495, 1197430, 1344806, 1432990, 3362015, 6724030, 8741239, 17482478, 43706195, 87412390]

約数ペア:

[(1, 87412390), (2, 43706195), (5, 17482478), (10, 8741239), (13, 6724030), (26, 3362015), (61, 1432990), (65, 1344806), (73, 1197430), (122, 716495), (130, 672403), (146, 598715), (151, 578890), (302, 289445), (305, 286598), (365, 239486), (610, 143299), (730, 119743), (755, 115778), (793, 110230), (949, 92110), (1510, 57889), (1586, 55115), (1898, 46055), (1963, 44530), (3926, 22265), (3965, 22046), (4453, 19630), (4745, 18422), (7930, 11023), (8906, 9815), (9211, 9490)]