651977740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:467

約数の個数: 96

約数和(自身を含む): 1471486464

約数和(自身を除く): 819508724

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 97, 124, 148, 155, 185, 194, 293, 310, 370, 388, 485, 586, 620, 740, 970, 1147, 1172, 1465, 1940, 2294, 2930, 3007, 3589, 4588, 5735, 5860, 6014, 7178, 9083, 10841, 11470, 12028, 14356, 15035, 17945, 18166, 21682, 22940, 28421, 30070, 35890, 36332, 43364, 45415, 54205, 56842, 60140, 71780, 90830, 108410, 111259, 113684, 142105, 181660, 216820, 222518, 284210, 336071, 445036, 556295, 568420, 672142, 881051, 1051577, 1112590, 1344284, 1680355, 1762102, 2103154, 2225180, 3360710, 3524204, 4206308, 4405255, 5257885, 6721420, 8810510, 10515770, 17621020, 21031540, 32598887, 65197774, 130395548, 162994435, 325988870, 651977740]

約数ペア:

[(1, 651977740), (2, 325988870), (4, 162994435), (5, 130395548), (10, 65197774), (20, 32598887), (31, 21031540), (37, 17621020), (62, 10515770), (74, 8810510), (97, 6721420), (124, 5257885), (148, 4405255), (155, 4206308), (185, 3524204), (194, 3360710), (293, 2225180), (310, 2103154), (370, 1762102), (388, 1680355), (485, 1344284), (586, 1112590), (620, 1051577), (740, 881051), (970, 672142), (1147, 568420), (1172, 556295), (1465, 445036), (1940, 336071), (2294, 284210), (2930, 222518), (3007, 216820), (3589, 181660), (4588, 142105), (5735, 113684), (5860, 111259), (6014, 108410), (7178, 90830), (9083, 71780), (10841, 60140), (11470, 56842), (12028, 54205), (14356, 45415), (15035, 43364), (17945, 36332), (18166, 35890), (21682, 30070), (22940, 28421)]