157280860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 383201280

約数和(自身を除く): 225920420

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 191, 197, 209, 220, 380, 382, 394, 418, 764, 788, 836, 955, 985, 1045, 1910, 1970, 2090, 2101, 2167, 3629, 3743, 3820, 3940, 4180, 4202, 4334, 7258, 7486, 8404, 8668, 10505, 10835, 14516, 14972, 18145, 18715, 21010, 21670, 36290, 37430, 37627, 39919, 41173, 42020, 43340, 72580, 74860, 75254, 79838, 82346, 150508, 159676, 164692, 188135, 199595, 205865, 376270, 399190, 411730, 413897, 714913, 752540, 798380, 823460, 827794, 1429826, 1655588, 2069485, 2859652, 3574565, 4138970, 7149130, 7864043, 8277940, 14298260, 15728086, 31456172, 39320215, 78640430, 157280860]

約数ペア:

[(1, 157280860), (2, 78640430), (4, 39320215), (5, 31456172), (10, 15728086), (11, 14298260), (19, 8277940), (20, 7864043), (22, 7149130), (38, 4138970), (44, 3574565), (55, 2859652), (76, 2069485), (95, 1655588), (110, 1429826), (190, 827794), (191, 823460), (197, 798380), (209, 752540), (220, 714913), (380, 413897), (382, 411730), (394, 399190), (418, 376270), (764, 205865), (788, 199595), (836, 188135), (955, 164692), (985, 159676), (1045, 150508), (1910, 82346), (1970, 79838), (2090, 75254), (2101, 74860), (2167, 72580), (3629, 43340), (3743, 42020), (3820, 41173), (3940, 39919), (4180, 37627), (4202, 37430), (4334, 36290), (7258, 21670), (7486, 21010), (8404, 18715), (8668, 18145), (10505, 14972), (10835, 14516)]