69998980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{659}}^1$

素因数の和:828

約数の個数: 48

約数和(自身を含む): 151683840

約数和(自身を除く): 81684860

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 113, 188, 226, 235, 452, 470, 565, 659, 940, 1130, 1318, 2260, 2636, 3295, 5311, 6590, 10622, 13180, 21244, 26555, 30973, 53110, 61946, 74467, 106220, 123892, 148934, 154865, 297868, 309730, 372335, 619460, 744670, 1489340, 3499949, 6999898, 13999796, 17499745, 34999490, 69998980]

約数ペア:

[(1, 69998980), (2, 34999490), (4, 17499745), (5, 13999796), (10, 6999898), (20, 3499949), (47, 1489340), (94, 744670), (113, 619460), (188, 372335), (226, 309730), (235, 297868), (452, 154865), (470, 148934), (565, 123892), (659, 106220), (940, 74467), (1130, 61946), (1318, 53110), (2260, 30973), (2636, 26555), (3295, 21244), (5311, 13180), (6590, 10622)]