320420620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{2017}}^1$

素因数の和:2099

約数の個数: 72

約数和(自身を含む): 744496704

約数和(自身を除く): 424076084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 169, 188, 235, 260, 338, 470, 611, 676, 845, 940, 1222, 1690, 2017, 2444, 3055, 3380, 4034, 6110, 7943, 8068, 10085, 12220, 15886, 20170, 26221, 31772, 39715, 40340, 52442, 79430, 94799, 104884, 131105, 158860, 189598, 262210, 340873, 379196, 473995, 524420, 681746, 947990, 1232387, 1363492, 1704365, 1895980, 2464774, 3408730, 4929548, 6161935, 6817460, 12323870, 16021031, 24647740, 32042062, 64084124, 80105155, 160210310, 320420620]

約数ペア:

[(1, 320420620), (2, 160210310), (4, 80105155), (5, 64084124), (10, 32042062), (13, 24647740), (20, 16021031), (26, 12323870), (47, 6817460), (52, 6161935), (65, 4929548), (94, 3408730), (130, 2464774), (169, 1895980), (188, 1704365), (235, 1363492), (260, 1232387), (338, 947990), (470, 681746), (611, 524420), (676, 473995), (845, 379196), (940, 340873), (1222, 262210), (1690, 189598), (2017, 158860), (2444, 131105), (3055, 104884), (3380, 94799), (4034, 79430), (6110, 52442), (7943, 40340), (8068, 39715), (10085, 31772), (12220, 26221), (15886, 20170)]