208487960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{941}}^1$

素因数の和:1172

約数の個数: 64

約数和(自身を含む): 488332800

約数和(自身を除く): 279844840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 191, 232, 290, 382, 580, 764, 941, 955, 1160, 1528, 1882, 1910, 3764, 3820, 4705, 5539, 7528, 7640, 9410, 11078, 18820, 22156, 27289, 27695, 37640, 44312, 54578, 55390, 109156, 110780, 136445, 179731, 218312, 221560, 272890, 359462, 545780, 718924, 898655, 1091560, 1437848, 1797310, 3594620, 5212199, 7189240, 10424398, 20848796, 26060995, 41697592, 52121990, 104243980, 208487960]

約数ペア:

[(1, 208487960), (2, 104243980), (4, 52121990), (5, 41697592), (8, 26060995), (10, 20848796), (20, 10424398), (29, 7189240), (40, 5212199), (58, 3594620), (116, 1797310), (145, 1437848), (191, 1091560), (232, 898655), (290, 718924), (382, 545780), (580, 359462), (764, 272890), (941, 221560), (955, 218312), (1160, 179731), (1528, 136445), (1882, 110780), (1910, 109156), (3764, 55390), (3820, 54578), (4705, 44312), (5539, 37640), (7528, 27695), (7640, 27289), (9410, 22156), (11078, 18820)]