102971920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{293}}^1$

素因数の和:520

約数の個数: 80

約数和(自身を含む): 251983872

約数和(自身を除く): 149011952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 191, 230, 293, 368, 382, 460, 586, 764, 920, 955, 1172, 1465, 1528, 1840, 1910, 2344, 2930, 3056, 3820, 4393, 4688, 5860, 6739, 7640, 8786, 11720, 13478, 15280, 17572, 21965, 23440, 26956, 33695, 35144, 43930, 53912, 55963, 67390, 70288, 87860, 107824, 111926, 134780, 175720, 223852, 269560, 279815, 351440, 447704, 539120, 559630, 895408, 1119260, 1287149, 2238520, 2574298, 4477040, 5148596, 6435745, 10297192, 12871490, 20594384, 25742980, 51485960, 102971920]

約数ペア:

[(1, 102971920), (2, 51485960), (4, 25742980), (5, 20594384), (8, 12871490), (10, 10297192), (16, 6435745), (20, 5148596), (23, 4477040), (40, 2574298), (46, 2238520), (80, 1287149), (92, 1119260), (115, 895408), (184, 559630), (191, 539120), (230, 447704), (293, 351440), (368, 279815), (382, 269560), (460, 223852), (586, 175720), (764, 134780), (920, 111926), (955, 107824), (1172, 87860), (1465, 70288), (1528, 67390), (1840, 55963), (1910, 53912), (2344, 43930), (2930, 35144), (3056, 33695), (3820, 26956), (4393, 23440), (4688, 21965), (5860, 17572), (6739, 15280), (7640, 13478), (8786, 11720)]