54873875

素因数分解:

$5^3\times 7^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1$

素因数の和:94

約数の個数: 72

約数和(自身を含む): 87355008

約数和(自身を除く): 32481133

約数列:

[1, 5, 7, 17, 25, 31, 35, 49, 85, 119, 125, 155, 175, 217, 245, 289, 425, 527, 595, 775, 833, 875, 1085, 1225, 1445, 1519, 2023, 2125, 2635, 2975, 3689, 3875, 4165, 5425, 6125, 7225, 7595, 8959, 10115, 13175, 14161, 14875, 18445, 20825, 25823, 27125, 36125, 37975, 44795, 50575, 62713, 65875, 70805, 92225, 104125, 129115, 189875, 223975, 252875, 313565, 354025, 438991, 461125, 645575, 1119875, 1567825, 1770125, 2194955, 3227875, 7839125, 10974775, 54873875]

約数ペア:

[(1, 54873875), (5, 10974775), (7, 7839125), (17, 3227875), (25, 2194955), (31, 1770125), (35, 1567825), (49, 1119875), (85, 645575), (119, 461125), (125, 438991), (155, 354025), (175, 313565), (217, 252875), (245, 223975), (289, 189875), (425, 129115), (527, 104125), (595, 92225), (775, 70805), (833, 65875), (875, 62713), (1085, 50575), (1225, 44795), (1445, 37975), (1519, 36125), (2023, 27125), (2125, 25823), (2635, 20825), (2975, 18445), (3689, 14875), (3875, 14161), (4165, 13175), (5425, 10115), (6125, 8959), (7225, 7595)]