387441990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331147}}^1$

素因数の和:331173

約数の個数: 48

約数和(自身を含む): 1084840848

約数和(自身を除く): 697398858

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 331147, 662294, 993441, 1655735, 1986882, 2980323, 3311470, 4304911, 4967205, 5960646, 8609822, 9934410, 12914733, 14901615, 21524555, 25829466, 29803230, 38744199, 43049110, 64573665, 77488398, 129147330, 193720995, 387441990]

約数ペア:

[(1, 387441990), (2, 193720995), (3, 129147330), (5, 77488398), (6, 64573665), (9, 43049110), (10, 38744199), (13, 29803230), (15, 25829466), (18, 21524555), (26, 14901615), (30, 12914733), (39, 9934410), (45, 8609822), (65, 5960646), (78, 4967205), (90, 4304911), (117, 3311470), (130, 2980323), (195, 1986882), (234, 1655735), (390, 993441), (585, 662294), (1170, 331147)]