2651740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:107

約数の個数: 96

約数和(自身を含む): 7225344

約数和(自身を除く): 4573604

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 47, 52, 62, 65, 70, 91, 94, 124, 130, 140, 155, 182, 188, 217, 235, 260, 310, 329, 364, 403, 434, 455, 470, 611, 620, 658, 806, 868, 910, 940, 1085, 1222, 1316, 1457, 1612, 1645, 1820, 2015, 2170, 2444, 2821, 2914, 3055, 3290, 4030, 4277, 4340, 5642, 5828, 6110, 6580, 7285, 8060, 8554, 10199, 11284, 12220, 14105, 14570, 17108, 18941, 20398, 21385, 28210, 29140, 37882, 40796, 42770, 50995, 56420, 75764, 85540, 94705, 101990, 132587, 189410, 203980, 265174, 378820, 530348, 662935, 1325870, 2651740]

約数ペア:

[(1, 2651740), (2, 1325870), (4, 662935), (5, 530348), (7, 378820), (10, 265174), (13, 203980), (14, 189410), (20, 132587), (26, 101990), (28, 94705), (31, 85540), (35, 75764), (47, 56420), (52, 50995), (62, 42770), (65, 40796), (70, 37882), (91, 29140), (94, 28210), (124, 21385), (130, 20398), (140, 18941), (155, 17108), (182, 14570), (188, 14105), (217, 12220), (235, 11284), (260, 10199), (310, 8554), (329, 8060), (364, 7285), (403, 6580), (434, 6110), (455, 5828), (470, 5642), (611, 4340), (620, 4277), (658, 4030), (806, 3290), (868, 3055), (910, 2914), (940, 2821), (1085, 2444), (1222, 2170), (1316, 2015), (1457, 1820), (1612, 1645)]