201431387240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{800729}}^1$

素因数の和:801090

約数の個数: 64

約数和(自身を含む): 478516248000

約数和(自身を除く): 277084860760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 331, 380, 662, 760, 1324, 1655, 2648, 3310, 6289, 6620, 12578, 13240, 25156, 31445, 50312, 62890, 125780, 251560, 800729, 1601458, 3202916, 4003645, 6405832, 8007290, 15213851, 16014580, 30427702, 32029160, 60855404, 76069255, 121710808, 152138510, 265041299, 304277020, 530082598, 608554040, 1060165196, 1325206495, 2120330392, 2650412990, 5035784681, 5300825980, 10071569362, 10601651960, 20143138724, 25178923405, 40286277448, 50357846810, 100715693620, 201431387240]

約数ペア:

[(1, 201431387240), (2, 100715693620), (4, 50357846810), (5, 40286277448), (8, 25178923405), (10, 20143138724), (19, 10601651960), (20, 10071569362), (38, 5300825980), (40, 5035784681), (76, 2650412990), (95, 2120330392), (152, 1325206495), (190, 1060165196), (331, 608554040), (380, 530082598), (662, 304277020), (760, 265041299), (1324, 152138510), (1655, 121710808), (2648, 76069255), (3310, 60855404), (6289, 32029160), (6620, 30427702), (12578, 16014580), (13240, 15213851), (25156, 8007290), (31445, 6405832), (50312, 4003645), (62890, 3202916), (125780, 1601458), (251560, 800729)]