28719800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{8447}}^1$

素因数の和:8480

約数の個数: 48

約数和(自身を含む): 70709760

約数和(自身を除く): 41989960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 8447, 16894, 33788, 42235, 67576, 84470, 143599, 168940, 211175, 287198, 337880, 422350, 574396, 717995, 844700, 1148792, 1435990, 1689400, 2871980, 3589975, 5743960, 7179950, 14359900, 28719800]

約数ペア:

[(1, 28719800), (2, 14359900), (4, 7179950), (5, 5743960), (8, 3589975), (10, 2871980), (17, 1689400), (20, 1435990), (25, 1148792), (34, 844700), (40, 717995), (50, 574396), (68, 422350), (85, 337880), (100, 287198), (136, 211175), (170, 168940), (200, 143599), (340, 84470), (425, 67576), (680, 42235), (850, 33788), (1700, 16894), (3400, 8447)]