90408400

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:389

約数の個数: 120

約数和(自身を含む): 234699264

約数和(自身を除く): 144290864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 31, 40, 46, 50, 62, 80, 92, 100, 115, 124, 155, 184, 200, 230, 248, 310, 317, 368, 400, 460, 496, 575, 620, 634, 713, 775, 920, 1150, 1240, 1268, 1426, 1550, 1585, 1840, 2300, 2480, 2536, 2852, 3100, 3170, 3565, 4600, 5072, 5704, 6200, 6340, 7130, 7291, 7925, 9200, 9827, 11408, 12400, 12680, 14260, 14582, 15850, 17825, 19654, 25360, 28520, 29164, 31700, 35650, 36455, 39308, 49135, 57040, 58328, 63400, 71300, 72910, 78616, 98270, 116656, 126800, 142600, 145820, 157232, 182275, 196540, 226021, 245675, 285200, 291640, 364550, 393080, 452042, 491350, 583280, 729100, 786160, 904084, 982700, 1130105, 1458200, 1808168, 1965400, 2260210, 2916400, 3616336, 3930800, 4520420, 5650525, 9040840, 11301050, 18081680, 22602100, 45204200, 90408400]

約数ペア:

[(1, 90408400), (2, 45204200), (4, 22602100), (5, 18081680), (8, 11301050), (10, 9040840), (16, 5650525), (20, 4520420), (23, 3930800), (25, 3616336), (31, 2916400), (40, 2260210), (46, 1965400), (50, 1808168), (62, 1458200), (80, 1130105), (92, 982700), (100, 904084), (115, 786160), (124, 729100), (155, 583280), (184, 491350), (200, 452042), (230, 393080), (248, 364550), (310, 291640), (317, 285200), (368, 245675), (400, 226021), (460, 196540), (496, 182275), (575, 157232), (620, 145820), (634, 142600), (713, 126800), (775, 116656), (920, 98270), (1150, 78616), (1240, 72910), (1268, 71300), (1426, 63400), (1550, 58328), (1585, 57040), (1840, 49135), (2300, 39308), (2480, 36455), (2536, 35650), (2852, 31700), (3100, 29164), (3170, 28520), (3565, 25360), (4600, 19654), (5072, 17825), (5704, 15850), (6200, 14582), (6340, 14260), (7130, 12680), (7291, 12400), (7925, 11408), (9200, 9827)]