620490860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{613}}^1$

素因数の和:783

約数の個数: 96

約数和(自身を含む): 1470534912

約数和(自身を除く): 850044052

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 107, 110, 172, 214, 215, 220, 428, 430, 473, 535, 613, 860, 946, 1070, 1177, 1226, 1892, 2140, 2354, 2365, 2452, 3065, 4601, 4708, 4730, 5885, 6130, 6743, 9202, 9460, 11770, 12260, 13486, 18404, 23005, 23540, 26359, 26972, 33715, 46010, 50611, 52718, 65591, 67430, 92020, 101222, 105436, 131182, 131795, 134860, 202444, 253055, 262364, 263590, 289949, 327955, 506110, 527180, 579898, 655910, 721501, 1012220, 1159796, 1311820, 1443002, 1449745, 2820413, 2886004, 2899490, 3607505, 5640826, 5798980, 7215010, 11281652, 14102065, 14430020, 28204130, 31024543, 56408260, 62049086, 124098172, 155122715, 310245430, 620490860]

約数ペア:

[(1, 620490860), (2, 310245430), (4, 155122715), (5, 124098172), (10, 62049086), (11, 56408260), (20, 31024543), (22, 28204130), (43, 14430020), (44, 14102065), (55, 11281652), (86, 7215010), (107, 5798980), (110, 5640826), (172, 3607505), (214, 2899490), (215, 2886004), (220, 2820413), (428, 1449745), (430, 1443002), (473, 1311820), (535, 1159796), (613, 1012220), (860, 721501), (946, 655910), (1070, 579898), (1177, 527180), (1226, 506110), (1892, 327955), (2140, 289949), (2354, 263590), (2365, 262364), (2452, 253055), (3065, 202444), (4601, 134860), (4708, 131795), (4730, 131182), (5885, 105436), (6130, 101222), (6743, 92020), (9202, 67430), (9460, 65591), (11770, 52718), (12260, 50611), (13486, 46010), (18404, 33715), (23005, 26972), (23540, 26359)]