405005330

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1087}}^1$

素因数の和:1203

約数の個数: 64

約数和(自身を含む): 803727360

約数和(自身を除く): 398722030

約数列:

[1, 2, 5, 10, 19, 37, 38, 53, 74, 95, 106, 185, 190, 265, 370, 530, 703, 1007, 1087, 1406, 1961, 2014, 2174, 3515, 3922, 5035, 5435, 7030, 9805, 10070, 10870, 19610, 20653, 37259, 40219, 41306, 57611, 74518, 80438, 103265, 115222, 186295, 201095, 206530, 288055, 372590, 402190, 576110, 764161, 1094609, 1528322, 2131607, 2189218, 3820805, 4263214, 5473045, 7641610, 10658035, 10946090, 21316070, 40500533, 81001066, 202502665, 405005330]

約数ペア:

[(1, 405005330), (2, 202502665), (5, 81001066), (10, 40500533), (19, 21316070), (37, 10946090), (38, 10658035), (53, 7641610), (74, 5473045), (95, 4263214), (106, 3820805), (185, 2189218), (190, 2131607), (265, 1528322), (370, 1094609), (530, 764161), (703, 576110), (1007, 402190), (1087, 372590), (1406, 288055), (1961, 206530), (2014, 201095), (2174, 186295), (3515, 115222), (3922, 103265), (5035, 80438), (5435, 74518), (7030, 57611), (9805, 41306), (10070, 40219), (10870, 37259), (19610, 20653)]