387620740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{87697}}^1$

素因数の和:87736

約数の個数: 48

約数和(自身を含む): 928195632

約数和(自身を除く): 540574892

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 87697, 175394, 350788, 438485, 876970, 1140061, 1490849, 1753940, 2280122, 2981698, 4560244, 5700305, 5963396, 7454245, 11400610, 14908490, 19381037, 22801220, 29816980, 38762074, 77524148, 96905185, 193810370, 387620740]

約数ペア:

[(1, 387620740), (2, 193810370), (4, 96905185), (5, 77524148), (10, 38762074), (13, 29816980), (17, 22801220), (20, 19381037), (26, 14908490), (34, 11400610), (52, 7454245), (65, 5963396), (68, 5700305), (85, 4560244), (130, 2981698), (170, 2280122), (221, 1753940), (260, 1490849), (340, 1140061), (442, 876970), (884, 438485), (1105, 350788), (2210, 175394), (4420, 87697)]