870740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 2095632

約数和(自身を除く): 1224892

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 197, 221, 260, 340, 394, 442, 788, 884, 985, 1105, 1970, 2210, 2561, 3349, 3940, 4420, 5122, 6698, 10244, 12805, 13396, 16745, 25610, 33490, 43537, 51220, 66980, 87074, 174148, 217685, 435370, 870740]

約数ペア:

[(1, 870740), (2, 435370), (4, 217685), (5, 174148), (10, 87074), (13, 66980), (17, 51220), (20, 43537), (26, 33490), (34, 25610), (52, 16745), (65, 13396), (68, 12805), (85, 10244), (130, 6698), (170, 5122), (197, 4420), (221, 3940), (260, 3349), (340, 2561), (394, 2210), (442, 1970), (788, 1105), (884, 985)]