425173640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:351

約数の個数: 128

約数和(自身を含む): 1057536000

約数和(自身を除く): 632362360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 101, 116, 145, 152, 190, 191, 202, 232, 290, 380, 382, 404, 505, 551, 580, 760, 764, 808, 955, 1010, 1102, 1160, 1528, 1910, 1919, 2020, 2204, 2755, 2929, 3629, 3820, 3838, 4040, 4408, 5510, 5539, 5858, 7258, 7640, 7676, 9595, 11020, 11078, 11716, 14516, 14645, 15352, 18145, 19190, 19291, 22040, 22156, 23432, 27695, 29032, 29290, 36290, 38380, 38582, 44312, 55390, 55651, 58580, 72580, 76760, 77164, 96455, 105241, 110780, 111302, 117160, 145160, 154328, 192910, 210482, 221560, 222604, 278255, 366529, 385820, 420964, 445208, 526205, 556510, 559439, 733058, 771640, 841928, 1052410, 1113020, 1118878, 1466116, 1832645, 2104820, 2226040, 2237756, 2797195, 2932232, 3665290, 4209640, 4475512, 5594390, 7330580, 10629341, 11188780, 14661160, 21258682, 22377560, 42517364, 53146705, 85034728, 106293410, 212586820, 425173640]

約数ペア:

[(1, 425173640), (2, 212586820), (4, 106293410), (5, 85034728), (8, 53146705), (10, 42517364), (19, 22377560), (20, 21258682), (29, 14661160), (38, 11188780), (40, 10629341), (58, 7330580), (76, 5594390), (95, 4475512), (101, 4209640), (116, 3665290), (145, 2932232), (152, 2797195), (190, 2237756), (191, 2226040), (202, 2104820), (232, 1832645), (290, 1466116), (380, 1118878), (382, 1113020), (404, 1052410), (505, 841928), (551, 771640), (580, 733058), (760, 559439), (764, 556510), (808, 526205), (955, 445208), (1010, 420964), (1102, 385820), (1160, 366529), (1528, 278255), (1910, 222604), (1919, 221560), (2020, 210482), (2204, 192910), (2755, 154328), (2929, 145160), (3629, 117160), (3820, 111302), (3838, 110780), (4040, 105241), (4408, 96455), (5510, 77164), (5539, 76760), (5858, 72580), (7258, 58580), (7640, 55651), (7676, 55390), (9595, 44312), (11020, 38582), (11078, 38380), (11716, 36290), (14516, 29290), (14645, 29032), (15352, 27695), (18145, 23432), (19190, 22156), (19291, 22040)]