196678875

素因数分解:

$3^1\times 5^3\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 339655680

約数和(自身を除く): 142976805

約数列:

[1, 3, 5, 15, 25, 71, 75, 83, 89, 125, 213, 249, 267, 355, 375, 415, 445, 1065, 1245, 1335, 1775, 2075, 2225, 5325, 5893, 6225, 6319, 6675, 7387, 8875, 10375, 11125, 17679, 18957, 22161, 26625, 29465, 31125, 31595, 33375, 36935, 88395, 94785, 110805, 147325, 157975, 184675, 441975, 473925, 524477, 554025, 736625, 789875, 923375, 1573431, 2209875, 2369625, 2622385, 2770125, 7867155, 13111925, 39335775, 65559625, 196678875]

約数ペア:

[(1, 196678875), (3, 65559625), (5, 39335775), (15, 13111925), (25, 7867155), (71, 2770125), (75, 2622385), (83, 2369625), (89, 2209875), (125, 1573431), (213, 923375), (249, 789875), (267, 736625), (355, 554025), (375, 524477), (415, 473925), (445, 441975), (1065, 184675), (1245, 157975), (1335, 147325), (1775, 110805), (2075, 94785), (2225, 88395), (5325, 36935), (5893, 33375), (6225, 31595), (6319, 31125), (6675, 29465), (7387, 26625), (8875, 22161), (10375, 18957), (11125, 17679)]