9021220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 21858984

約数和(自身を除く): 12837764

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 157, 169, 170, 221, 260, 314, 338, 340, 442, 628, 676, 785, 845, 884, 1105, 1570, 1690, 2041, 2210, 2669, 2873, 3140, 3380, 4082, 4420, 5338, 5746, 8164, 10205, 10676, 11492, 13345, 14365, 20410, 26533, 26690, 28730, 34697, 40820, 53066, 53380, 57460, 69394, 106132, 132665, 138788, 173485, 265330, 346970, 451061, 530660, 693940, 902122, 1804244, 2255305, 4510610, 9021220]

約数ペア:

[(1, 9021220), (2, 4510610), (4, 2255305), (5, 1804244), (10, 902122), (13, 693940), (17, 530660), (20, 451061), (26, 346970), (34, 265330), (52, 173485), (65, 138788), (68, 132665), (85, 106132), (130, 69394), (157, 57460), (169, 53380), (170, 53066), (221, 40820), (260, 34697), (314, 28730), (338, 26690), (340, 26533), (442, 20410), (628, 14365), (676, 13345), (785, 11492), (845, 10676), (884, 10205), (1105, 8164), (1570, 5746), (1690, 5338), (2041, 4420), (2210, 4082), (2669, 3380), (2873, 3140)]