53189740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 120975120

約数和(自身を除く): 67785380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 139, 190, 212, 265, 278, 361, 380, 530, 556, 695, 722, 1007, 1060, 1390, 1444, 1805, 2014, 2641, 2780, 3610, 4028, 5035, 5282, 7220, 7367, 10070, 10564, 13205, 14734, 19133, 20140, 26410, 29468, 36835, 38266, 50179, 52820, 73670, 76532, 95665, 100358, 139973, 147340, 191330, 200716, 250895, 279946, 382660, 501790, 559892, 699865, 1003580, 1399730, 2659487, 2799460, 5318974, 10637948, 13297435, 26594870, 53189740]

約数ペア:

[(1, 53189740), (2, 26594870), (4, 13297435), (5, 10637948), (10, 5318974), (19, 2799460), (20, 2659487), (38, 1399730), (53, 1003580), (76, 699865), (95, 559892), (106, 501790), (139, 382660), (190, 279946), (212, 250895), (265, 200716), (278, 191330), (361, 147340), (380, 139973), (530, 100358), (556, 95665), (695, 76532), (722, 73670), (1007, 52820), (1060, 50179), (1390, 38266), (1444, 36835), (1805, 29468), (2014, 26410), (2641, 20140), (2780, 19133), (3610, 14734), (4028, 13205), (5035, 10564), (5282, 10070), (7220, 7367)]