989559660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{1559}}^1$

素因数の和:1791

約数の個数: 96

約数和(自身を含む): 2830464000

約数和(自身を除く): 1840904340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 149, 213, 284, 298, 355, 426, 447, 596, 710, 745, 852, 894, 1065, 1420, 1490, 1559, 1788, 2130, 2235, 2980, 3118, 4260, 4470, 4677, 6236, 7795, 8940, 9354, 10579, 15590, 18708, 21158, 23385, 31180, 31737, 42316, 46770, 52895, 63474, 93540, 105790, 110689, 126948, 158685, 211580, 221378, 232291, 317370, 332067, 442756, 464582, 553445, 634740, 664134, 696873, 929164, 1106890, 1161455, 1328268, 1393746, 1660335, 2213780, 2322910, 2787492, 3320670, 3484365, 4645820, 6641340, 6968730, 13937460, 16492661, 32985322, 49477983, 65970644, 82463305, 98955966, 164926610, 197911932, 247389915, 329853220, 494779830, 989559660]

約数ペア:

[(1, 989559660), (2, 494779830), (3, 329853220), (4, 247389915), (5, 197911932), (6, 164926610), (10, 98955966), (12, 82463305), (15, 65970644), (20, 49477983), (30, 32985322), (60, 16492661), (71, 13937460), (142, 6968730), (149, 6641340), (213, 4645820), (284, 3484365), (298, 3320670), (355, 2787492), (426, 2322910), (447, 2213780), (596, 1660335), (710, 1393746), (745, 1328268), (852, 1161455), (894, 1106890), (1065, 929164), (1420, 696873), (1490, 664134), (1559, 634740), (1788, 553445), (2130, 464582), (2235, 442756), (2980, 332067), (3118, 317370), (4260, 232291), (4470, 221378), (4677, 211580), (6236, 158685), (7795, 126948), (8940, 110689), (9354, 105790), (10579, 93540), (15590, 63474), (18708, 52895), (21158, 46770), (23385, 42316), (31180, 31737)]