7139894020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{504943}}^1$

素因数の和:505060

約数の個数: 48

約数和(自身を含む): 17305440768

約数和(自身を除く): 10165546748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2828, 3535, 7070, 14140, 504943, 1009886, 2019772, 2524715, 3534601, 5049430, 7069202, 10098860, 14138404, 17673005, 35346010, 50999243, 70692020, 101998486, 203996972, 254996215, 356994701, 509992430, 713989402, 1019984860, 1427978804, 1784973505, 3569947010, 7139894020]

約数ペア:

[(1, 7139894020), (2, 3569947010), (4, 1784973505), (5, 1427978804), (7, 1019984860), (10, 713989402), (14, 509992430), (20, 356994701), (28, 254996215), (35, 203996972), (70, 101998486), (101, 70692020), (140, 50999243), (202, 35346010), (404, 17673005), (505, 14138404), (707, 10098860), (1010, 7069202), (1414, 5049430), (2020, 3534601), (2828, 2524715), (3535, 2019772), (7070, 1009886), (14140, 504943)]