788511020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{1559}}^1$

素因数の和:1620

約数の個数: 96

約数和(自身を含む): 1918425600

約数和(自身を除く): 1129914580

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 190, 209, 220, 242, 380, 418, 484, 605, 836, 1045, 1210, 1331, 1559, 2090, 2299, 2420, 2662, 3118, 4180, 4598, 5324, 6236, 6655, 7795, 9196, 11495, 13310, 15590, 17149, 22990, 25289, 26620, 29621, 31180, 34298, 45980, 50578, 59242, 68596, 85745, 101156, 118484, 126445, 148105, 171490, 188639, 252890, 296210, 325831, 342980, 377278, 505780, 592420, 651662, 754556, 943195, 1303324, 1629155, 1886390, 2075029, 3258310, 3584141, 3772780, 4150058, 6516620, 7168282, 8300116, 10375145, 14336564, 17920705, 20750290, 35841410, 39425551, 41500580, 71682820, 78851102, 157702204, 197127755, 394255510, 788511020]

約数ペア:

[(1, 788511020), (2, 394255510), (4, 197127755), (5, 157702204), (10, 78851102), (11, 71682820), (19, 41500580), (20, 39425551), (22, 35841410), (38, 20750290), (44, 17920705), (55, 14336564), (76, 10375145), (95, 8300116), (110, 7168282), (121, 6516620), (190, 4150058), (209, 3772780), (220, 3584141), (242, 3258310), (380, 2075029), (418, 1886390), (484, 1629155), (605, 1303324), (836, 943195), (1045, 754556), (1210, 651662), (1331, 592420), (1559, 505780), (2090, 377278), (2299, 342980), (2420, 325831), (2662, 296210), (3118, 252890), (4180, 188639), (4598, 171490), (5324, 148105), (6236, 126445), (6655, 118484), (7795, 101156), (9196, 85745), (11495, 68596), (13310, 59242), (15590, 50578), (17149, 45980), (22990, 34298), (25289, 31180), (26620, 29621)]