693940

素因数分解:

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

素因数の和:196

約数の個数: 48

約数和(自身を含む): 1672272

約数和(自身を除く): 978332

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 157, 170, 221, 260, 314, 340, 442, 628, 785, 884, 1105, 1570, 2041, 2210, 2669, 3140, 4082, 4420, 5338, 8164, 10205, 10676, 13345, 20410, 26690, 34697, 40820, 53380, 69394, 138788, 173485, 346970, 693940]

約数ペア:

[(1, 693940), (2, 346970), (4, 173485), (5, 138788), (10, 69394), (13, 53380), (17, 40820), (20, 34697), (26, 26690), (34, 20410), (52, 13345), (65, 10676), (68, 10205), (85, 8164), (130, 5338), (157, 4420), (170, 4082), (221, 3140), (260, 2669), (314, 2210), (340, 2041), (442, 1570), (628, 1105), (785, 884)]