1741480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 4490640

約数和(自身を除く): 2749160

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 197, 221, 260, 340, 394, 442, 520, 680, 788, 884, 985, 1105, 1576, 1768, 1970, 2210, 2561, 3349, 3940, 4420, 5122, 6698, 7880, 8840, 10244, 12805, 13396, 16745, 20488, 25610, 26792, 33490, 43537, 51220, 66980, 87074, 102440, 133960, 174148, 217685, 348296, 435370, 870740, 1741480]

約数ペア:

[(1, 1741480), (2, 870740), (4, 435370), (5, 348296), (8, 217685), (10, 174148), (13, 133960), (17, 102440), (20, 87074), (26, 66980), (34, 51220), (40, 43537), (52, 33490), (65, 26792), (68, 25610), (85, 20488), (104, 16745), (130, 13396), (136, 12805), (170, 10244), (197, 8840), (221, 7880), (260, 6698), (340, 5122), (394, 4420), (442, 3940), (520, 3349), (680, 2561), (788, 2210), (884, 1970), (985, 1768), (1105, 1576)]