499999950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{239}}^1\times {\mathrm{4649}}^1$

素因数の和:4906

約数の個数: 72

約数和(自身を含む): 1349244000

約数和(自身を除く): 849244050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 239, 450, 478, 717, 1195, 1434, 2151, 2390, 3585, 4302, 4649, 5975, 7170, 9298, 10755, 11950, 13947, 17925, 21510, 23245, 27894, 35850, 41841, 46490, 53775, 69735, 83682, 107550, 116225, 139470, 209205, 232450, 348675, 418410, 697350, 1046025, 1111111, 2092050, 2222222, 3333333, 5555555, 6666666, 9999999, 11111110, 16666665, 19999998, 27777775, 33333330, 49999995, 55555550, 83333325, 99999990, 166666650, 249999975, 499999950]

約数ペア:

[(1, 499999950), (2, 249999975), (3, 166666650), (5, 99999990), (6, 83333325), (9, 55555550), (10, 49999995), (15, 33333330), (18, 27777775), (25, 19999998), (30, 16666665), (45, 11111110), (50, 9999999), (75, 6666666), (90, 5555555), (150, 3333333), (225, 2222222), (239, 2092050), (450, 1111111), (478, 1046025), (717, 697350), (1195, 418410), (1434, 348675), (2151, 232450), (2390, 209205), (3585, 139470), (4302, 116225), (4649, 107550), (5975, 83682), (7170, 69735), (9298, 53775), (10755, 46490), (11950, 41841), (13947, 35850), (17925, 27894), (21510, 23245)]