386408020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{4621}}^1$

素因数の和:4780

約数の個数: 48

約数和(自身を含む): 840945168

約数和(自身を除く): 454537148

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 113, 148, 185, 226, 370, 452, 565, 740, 1130, 2260, 4181, 4621, 8362, 9242, 16724, 18484, 20905, 23105, 41810, 46210, 83620, 92420, 170977, 341954, 522173, 683908, 854885, 1044346, 1709770, 2088692, 2610865, 3419540, 5221730, 10443460, 19320401, 38640802, 77281604, 96602005, 193204010, 386408020]

約数ペア:

[(1, 386408020), (2, 193204010), (4, 96602005), (5, 77281604), (10, 38640802), (20, 19320401), (37, 10443460), (74, 5221730), (113, 3419540), (148, 2610865), (185, 2088692), (226, 1709770), (370, 1044346), (452, 854885), (565, 683908), (740, 522173), (1130, 341954), (2260, 170977), (4181, 92420), (4621, 83620), (8362, 46210), (9242, 41810), (16724, 23105), (18484, 20905)]