138754760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{751}}^1$

素因数の和:942

約数の個数: 64

約数和(自身を含む): 324864000

約数和(自身を除く): 186109240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 149, 155, 248, 298, 310, 596, 620, 745, 751, 1192, 1240, 1490, 1502, 2980, 3004, 3755, 4619, 5960, 6008, 7510, 9238, 15020, 18476, 23095, 23281, 30040, 36952, 46190, 46562, 92380, 93124, 111899, 116405, 184760, 186248, 223798, 232810, 447596, 465620, 559495, 895192, 931240, 1118990, 2237980, 3468869, 4475960, 6937738, 13875476, 17344345, 27750952, 34688690, 69377380, 138754760]

約数ペア:

[(1, 138754760), (2, 69377380), (4, 34688690), (5, 27750952), (8, 17344345), (10, 13875476), (20, 6937738), (31, 4475960), (40, 3468869), (62, 2237980), (124, 1118990), (149, 931240), (155, 895192), (248, 559495), (298, 465620), (310, 447596), (596, 232810), (620, 223798), (745, 186248), (751, 184760), (1192, 116405), (1240, 111899), (1490, 93124), (1502, 92380), (2980, 46562), (3004, 46190), (3755, 36952), (4619, 30040), (5960, 23281), (6008, 23095), (7510, 18476), (9238, 15020)]