86970100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{17749}}^1$

素因数の和:17777

約数の個数: 54

約数和(自身を含む): 219549750

約数和(自身を除く): 132579650

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 17749, 35498, 70996, 88745, 124243, 177490, 248486, 354980, 443725, 496972, 621215, 869701, 887450, 1242430, 1739402, 1774900, 2484860, 3106075, 3478804, 4348505, 6212150, 8697010, 12424300, 17394020, 21742525, 43485050, 86970100]

約数ペア:

[(1, 86970100), (2, 43485050), (4, 21742525), (5, 17394020), (7, 12424300), (10, 8697010), (14, 6212150), (20, 4348505), (25, 3478804), (28, 3106075), (35, 2484860), (49, 1774900), (50, 1739402), (70, 1242430), (98, 887450), (100, 869701), (140, 621215), (175, 496972), (196, 443725), (245, 354980), (350, 248486), (490, 177490), (700, 124243), (980, 88745), (1225, 70996), (2450, 35498), (4900, 17749)]