268481590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1489}}^1$

素因数の和:1601

約数の個数: 64

約数和(自身を含む): 555710400

約数和(自身を除く): 287228810

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 73, 95, 130, 146, 190, 247, 365, 494, 730, 949, 1235, 1387, 1489, 1898, 2470, 2774, 2978, 4745, 6935, 7445, 9490, 13870, 14890, 18031, 19357, 28291, 36062, 38714, 56582, 90155, 96785, 108697, 141455, 180310, 193570, 217394, 282910, 367783, 543485, 735566, 1086970, 1413061, 1838915, 2065243, 2826122, 3677830, 4130486, 7065305, 10326215, 14130610, 20652430, 26848159, 53696318, 134240795, 268481590]

約数ペア:

[(1, 268481590), (2, 134240795), (5, 53696318), (10, 26848159), (13, 20652430), (19, 14130610), (26, 10326215), (38, 7065305), (65, 4130486), (73, 3677830), (95, 2826122), (130, 2065243), (146, 1838915), (190, 1413061), (247, 1086970), (365, 735566), (494, 543485), (730, 367783), (949, 282910), (1235, 217394), (1387, 193570), (1489, 180310), (1898, 141455), (2470, 108697), (2774, 96785), (2978, 90155), (4745, 56582), (6935, 38714), (7445, 36062), (9490, 28291), (13870, 19357), (14890, 18031)]