855807575

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1427}}^1$

素因数の和:1616

約数の個数: 48

約数和(自身を含む): 1274918400

約数和(自身を除く): 419110825

約数列:

[1, 5, 7, 23, 25, 35, 115, 149, 161, 175, 575, 745, 805, 1043, 1427, 3427, 3725, 4025, 5215, 7135, 9989, 17135, 23989, 26075, 32821, 35675, 49945, 85675, 119945, 164105, 212623, 229747, 249725, 599725, 820525, 1063115, 1148735, 1488361, 4890329, 5315575, 5743675, 7441805, 24451645, 34232303, 37209025, 122258225, 171161515, 855807575]

約数ペア:

[(1, 855807575), (5, 171161515), (7, 122258225), (23, 37209025), (25, 34232303), (35, 24451645), (115, 7441805), (149, 5743675), (161, 5315575), (175, 4890329), (575, 1488361), (745, 1148735), (805, 1063115), (1043, 820525), (1427, 599725), (3427, 249725), (3725, 229747), (4025, 212623), (5215, 164105), (7135, 119945), (9989, 85675), (17135, 49945), (23989, 35675), (26075, 32821)]