128563400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{701}}^1$

素因数の和:855

約数の個数: 96

約数和(自身を含む): 344710080

約数和(自身を除く): 216146680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 131, 140, 175, 200, 262, 280, 350, 524, 655, 700, 701, 917, 1048, 1310, 1400, 1402, 1834, 2620, 2804, 3275, 3505, 3668, 4585, 4907, 5240, 5608, 6550, 7010, 7336, 9170, 9814, 13100, 14020, 17525, 18340, 19628, 22925, 24535, 26200, 28040, 35050, 36680, 39256, 45850, 49070, 70100, 91700, 91831, 98140, 122675, 140200, 183400, 183662, 196280, 245350, 367324, 459155, 490700, 642817, 734648, 918310, 981400, 1285634, 1836620, 2295775, 2571268, 3214085, 3673240, 4591550, 5142536, 6428170, 9183100, 12856340, 16070425, 18366200, 25712680, 32140850, 64281700, 128563400]

約数ペア:

[(1, 128563400), (2, 64281700), (4, 32140850), (5, 25712680), (7, 18366200), (8, 16070425), (10, 12856340), (14, 9183100), (20, 6428170), (25, 5142536), (28, 4591550), (35, 3673240), (40, 3214085), (50, 2571268), (56, 2295775), (70, 1836620), (100, 1285634), (131, 981400), (140, 918310), (175, 734648), (200, 642817), (262, 490700), (280, 459155), (350, 367324), (524, 245350), (655, 196280), (700, 183662), (701, 183400), (917, 140200), (1048, 122675), (1310, 98140), (1400, 91831), (1402, 91700), (1834, 70100), (2620, 49070), (2804, 45850), (3275, 39256), (3505, 36680), (3668, 35050), (4585, 28040), (4907, 26200), (5240, 24535), (5608, 22925), (6550, 19628), (7010, 18340), (7336, 17525), (9170, 14020), (9814, 13100)]