2018451365

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{1979}}^1$

素因数の和:2202

約数の個数: 48

約数和(自身を含む): 2957834880

約数和(自身を除く): 939383515

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 181, 245, 805, 905, 1127, 1267, 1979, 4163, 5635, 6335, 8869, 9895, 13853, 20815, 29141, 44345, 45517, 69265, 96971, 145705, 203987, 227585, 318619, 358199, 484855, 1019935, 1593095, 1790995, 2230333, 2507393, 8238577, 11151665, 12536965, 17551751, 41192885, 57670039, 87758755, 288350195, 403690273, 2018451365]

約数ペア:

[(1, 2018451365), (5, 403690273), (7, 288350195), (23, 87758755), (35, 57670039), (49, 41192885), (115, 17551751), (161, 12536965), (181, 11151665), (245, 8238577), (805, 2507393), (905, 2230333), (1127, 1790995), (1267, 1593095), (1979, 1019935), (4163, 484855), (5635, 358199), (6335, 318619), (8869, 227585), (9895, 203987), (13853, 145705), (20815, 96971), (29141, 69265), (44345, 45517)]