289469940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8191}}^1$

素因数の和:8253

約数の個数: 96

約数和(自身を含む): 880803840

約数和(自身を除く): 591333900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 60, 62, 76, 93, 95, 114, 124, 155, 186, 190, 228, 285, 310, 372, 380, 465, 570, 589, 620, 930, 1140, 1178, 1767, 1860, 2356, 2945, 3534, 5890, 7068, 8191, 8835, 11780, 16382, 17670, 24573, 32764, 35340, 40955, 49146, 81910, 98292, 122865, 155629, 163820, 245730, 253921, 311258, 466887, 491460, 507842, 622516, 761763, 778145, 933774, 1015684, 1269605, 1523526, 1556290, 1867548, 2334435, 2539210, 3047052, 3112580, 3808815, 4668870, 4824499, 5078420, 7617630, 9337740, 9648998, 14473497, 15235260, 19297996, 24122495, 28946994, 48244990, 57893988, 72367485, 96489980, 144734970, 289469940]

約数ペア:

[(1, 289469940), (2, 144734970), (3, 96489980), (4, 72367485), (5, 57893988), (6, 48244990), (10, 28946994), (12, 24122495), (15, 19297996), (19, 15235260), (20, 14473497), (30, 9648998), (31, 9337740), (38, 7617630), (57, 5078420), (60, 4824499), (62, 4668870), (76, 3808815), (93, 3112580), (95, 3047052), (114, 2539210), (124, 2334435), (155, 1867548), (186, 1556290), (190, 1523526), (228, 1269605), (285, 1015684), (310, 933774), (372, 778145), (380, 761763), (465, 622516), (570, 507842), (589, 491460), (620, 466887), (930, 311258), (1140, 253921), (1178, 245730), (1767, 163820), (1860, 155629), (2356, 122865), (2945, 98292), (3534, 81910), (5890, 49146), (7068, 40955), (8191, 35340), (8835, 32764), (11780, 24573), (16382, 17670)]