252172940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{659}}^1$

素因数の和:759

約数の個数: 72

約数和(自身を含む): 570311280

約数和(自身を除く): 318138340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 265, 361, 380, 530, 659, 722, 1007, 1060, 1318, 1444, 1805, 2014, 2636, 3295, 3610, 4028, 5035, 6590, 7220, 10070, 12521, 13180, 19133, 20140, 25042, 34927, 38266, 50084, 62605, 69854, 76532, 95665, 125210, 139708, 174635, 191330, 237899, 250420, 349270, 382660, 475798, 663613, 698540, 951596, 1189495, 1327226, 2378990, 2654452, 3318065, 4757980, 6636130, 12608647, 13272260, 25217294, 50434588, 63043235, 126086470, 252172940]

約数ペア:

[(1, 252172940), (2, 126086470), (4, 63043235), (5, 50434588), (10, 25217294), (19, 13272260), (20, 12608647), (38, 6636130), (53, 4757980), (76, 3318065), (95, 2654452), (106, 2378990), (190, 1327226), (212, 1189495), (265, 951596), (361, 698540), (380, 663613), (530, 475798), (659, 382660), (722, 349270), (1007, 250420), (1060, 237899), (1318, 191330), (1444, 174635), (1805, 139708), (2014, 125210), (2636, 95665), (3295, 76532), (3610, 69854), (4028, 62605), (5035, 50084), (6590, 38266), (7220, 34927), (10070, 25042), (12521, 20140), (13180, 19133)]