28846180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 71285760

約数和(自身を除く): 42439580

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 67, 76, 95, 103, 110, 134, 190, 206, 209, 220, 268, 335, 380, 412, 418, 515, 670, 737, 836, 1030, 1045, 1133, 1273, 1340, 1474, 1957, 2060, 2090, 2266, 2546, 2948, 3685, 3914, 4180, 4532, 5092, 5665, 6365, 6901, 7370, 7828, 9785, 11330, 12730, 13802, 14003, 14740, 19570, 21527, 22660, 25460, 27604, 28006, 34505, 39140, 43054, 56012, 69010, 70015, 75911, 86108, 107635, 131119, 138020, 140030, 151822, 215270, 262238, 280060, 303644, 379555, 430540, 524476, 655595, 759110, 1311190, 1442309, 1518220, 2622380, 2884618, 5769236, 7211545, 14423090, 28846180]

約数ペア:

[(1, 28846180), (2, 14423090), (4, 7211545), (5, 5769236), (10, 2884618), (11, 2622380), (19, 1518220), (20, 1442309), (22, 1311190), (38, 759110), (44, 655595), (55, 524476), (67, 430540), (76, 379555), (95, 303644), (103, 280060), (110, 262238), (134, 215270), (190, 151822), (206, 140030), (209, 138020), (220, 131119), (268, 107635), (335, 86108), (380, 75911), (412, 70015), (418, 69010), (515, 56012), (670, 43054), (737, 39140), (836, 34505), (1030, 28006), (1045, 27604), (1133, 25460), (1273, 22660), (1340, 21527), (1474, 19570), (1957, 14740), (2060, 14003), (2090, 13802), (2266, 12730), (2546, 11330), (2948, 9785), (3685, 7828), (3914, 7370), (4180, 6901), (4532, 6365), (5092, 5665)]