388045908020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1427}}^1\times {\mathrm{3373}}^1$

素因数の和:4977

約数の個数: 96

約数和(自身を含む): 849907900800

約数和(自身を除く): 461861992780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 139, 145, 278, 290, 556, 580, 695, 1390, 1427, 2780, 2854, 3373, 4031, 5708, 6746, 7135, 8062, 13492, 14270, 16124, 16865, 20155, 28540, 33730, 40310, 41383, 67460, 80620, 82766, 97817, 165532, 195634, 198353, 206915, 391268, 396706, 413830, 468847, 489085, 793412, 827660, 937694, 978170, 991765, 1875388, 1956340, 1983530, 2344235, 3967060, 4688470, 4813271, 5752237, 9376940, 9626542, 11504474, 13596563, 19253084, 23008948, 24066355, 27193126, 28761185, 48132710, 54386252, 57522370, 67982815, 96265420, 115044740, 135965630, 139584859, 271931260, 279169718, 558339436, 669044669, 697924295, 1338089338, 1395848590, 2676178676, 2791697180, 3345223345, 6690446690, 13380893380, 19402295401, 38804590802, 77609181604, 97011477005, 194022954010, 388045908020]

約数ペア:

[(1, 388045908020), (2, 194022954010), (4, 97011477005), (5, 77609181604), (10, 38804590802), (20, 19402295401), (29, 13380893380), (58, 6690446690), (116, 3345223345), (139, 2791697180), (145, 2676178676), (278, 1395848590), (290, 1338089338), (556, 697924295), (580, 669044669), (695, 558339436), (1390, 279169718), (1427, 271931260), (2780, 139584859), (2854, 135965630), (3373, 115044740), (4031, 96265420), (5708, 67982815), (6746, 57522370), (7135, 54386252), (8062, 48132710), (13492, 28761185), (14270, 27193126), (16124, 24066355), (16865, 23008948), (20155, 19253084), (28540, 13596563), (33730, 11504474), (40310, 9626542), (41383, 9376940), (67460, 5752237), (80620, 4813271), (82766, 4688470), (97817, 3967060), (165532, 2344235), (195634, 1983530), (198353, 1956340), (206915, 1875388), (391268, 991765), (396706, 978170), (413830, 937694), (468847, 827660), (489085, 793412)]