9902420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:165

約数の個数: 96

約数和(自身を含む): 25159680

約数和(自身を除く): 15257260

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 23, 38, 44, 46, 55, 76, 92, 95, 103, 110, 115, 190, 206, 209, 220, 230, 253, 380, 412, 418, 437, 460, 506, 515, 836, 874, 1012, 1030, 1045, 1133, 1265, 1748, 1957, 2060, 2090, 2185, 2266, 2369, 2530, 3914, 4180, 4370, 4532, 4738, 4807, 5060, 5665, 7828, 8740, 9476, 9614, 9785, 11330, 11845, 19228, 19570, 21527, 22660, 23690, 24035, 26059, 39140, 43054, 45011, 47380, 48070, 52118, 86108, 90022, 96140, 104236, 107635, 130295, 180044, 215270, 225055, 260590, 430540, 450110, 495121, 521180, 900220, 990242, 1980484, 2475605, 4951210, 9902420]

約数ペア:

[(1, 9902420), (2, 4951210), (4, 2475605), (5, 1980484), (10, 990242), (11, 900220), (19, 521180), (20, 495121), (22, 450110), (23, 430540), (38, 260590), (44, 225055), (46, 215270), (55, 180044), (76, 130295), (92, 107635), (95, 104236), (103, 96140), (110, 90022), (115, 86108), (190, 52118), (206, 48070), (209, 47380), (220, 45011), (230, 43054), (253, 39140), (380, 26059), (412, 24035), (418, 23690), (437, 22660), (460, 21527), (506, 19570), (515, 19228), (836, 11845), (874, 11330), (1012, 9785), (1030, 9614), (1045, 9476), (1133, 8740), (1265, 7828), (1748, 5665), (1957, 5060), (2060, 4807), (2090, 4738), (2185, 4532), (2266, 4370), (2369, 4180), (2530, 3914)]