247707980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:547

約数の個数: 96

約数和(自身を含む): 587586048

約数和(自身を除く): 339878068

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 73, 124, 130, 146, 155, 260, 292, 310, 365, 403, 421, 620, 730, 806, 842, 949, 1460, 1612, 1684, 1898, 2015, 2105, 2263, 3796, 4030, 4210, 4526, 4745, 5473, 8060, 8420, 9052, 9490, 10946, 11315, 13051, 18980, 21892, 22630, 26102, 27365, 29419, 30733, 45260, 52204, 54730, 58838, 61466, 65255, 109460, 117676, 122932, 130510, 147095, 153665, 169663, 261020, 294190, 307330, 339326, 399529, 588380, 614660, 678652, 799058, 848315, 952723, 1598116, 1696630, 1905446, 1997645, 3393260, 3810892, 3995290, 4763615, 7990580, 9527230, 12385399, 19054460, 24770798, 49541596, 61926995, 123853990, 247707980]

約数ペア:

[(1, 247707980), (2, 123853990), (4, 61926995), (5, 49541596), (10, 24770798), (13, 19054460), (20, 12385399), (26, 9527230), (31, 7990580), (52, 4763615), (62, 3995290), (65, 3810892), (73, 3393260), (124, 1997645), (130, 1905446), (146, 1696630), (155, 1598116), (260, 952723), (292, 848315), (310, 799058), (365, 678652), (403, 614660), (421, 588380), (620, 399529), (730, 339326), (806, 307330), (842, 294190), (949, 261020), (1460, 169663), (1612, 153665), (1684, 147095), (1898, 130510), (2015, 122932), (2105, 117676), (2263, 109460), (3796, 65255), (4030, 61466), (4210, 58838), (4526, 54730), (4745, 52204), (5473, 45260), (8060, 30733), (8420, 29419), (9052, 27365), (9490, 26102), (10946, 22630), (11315, 21892), (13051, 18980)]