71745800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{7321}}^1$

素因数の和:7351

約数の個数: 72

約数和(自身を含む): 194069610

約数和(自身を除く): 122323810

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2450, 4900, 7321, 9800, 14642, 29284, 36605, 51247, 58568, 73210, 102494, 146420, 183025, 204988, 256235, 292840, 358729, 366050, 409976, 512470, 717458, 732100, 1024940, 1281175, 1434916, 1464200, 1793645, 2049880, 2562350, 2869832, 3587290, 5124700, 7174580, 8968225, 10249400, 14349160, 17936450, 35872900, 71745800]

約数ペア:

[(1, 71745800), (2, 35872900), (4, 17936450), (5, 14349160), (7, 10249400), (8, 8968225), (10, 7174580), (14, 5124700), (20, 3587290), (25, 2869832), (28, 2562350), (35, 2049880), (40, 1793645), (49, 1464200), (50, 1434916), (56, 1281175), (70, 1024940), (98, 732100), (100, 717458), (140, 512470), (175, 409976), (196, 366050), (200, 358729), (245, 292840), (280, 256235), (350, 204988), (392, 183025), (490, 146420), (700, 102494), (980, 73210), (1225, 58568), (1400, 51247), (1960, 36605), (2450, 29284), (4900, 14642), (7321, 9800)]