28257810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:480

約数の個数: 96

約数和(自身を含む): 80766720

約数和(自身を除く): 52508910

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 47, 49, 70, 94, 98, 105, 141, 147, 210, 235, 245, 282, 294, 329, 409, 470, 490, 658, 705, 735, 818, 987, 1227, 1410, 1470, 1645, 1974, 2045, 2303, 2454, 2863, 3290, 4090, 4606, 4935, 5726, 6135, 6909, 8589, 9870, 11515, 12270, 13818, 14315, 17178, 19223, 20041, 23030, 28630, 34545, 38446, 40082, 42945, 57669, 60123, 69090, 85890, 96115, 100205, 115338, 120246, 134561, 192230, 200410, 269122, 288345, 300615, 403683, 576690, 601230, 672805, 807366, 941927, 1345610, 1883854, 2018415, 2825781, 4036830, 4709635, 5651562, 9419270, 14128905, 28257810]

約数ペア:

[(1, 28257810), (2, 14128905), (3, 9419270), (5, 5651562), (6, 4709635), (7, 4036830), (10, 2825781), (14, 2018415), (15, 1883854), (21, 1345610), (30, 941927), (35, 807366), (42, 672805), (47, 601230), (49, 576690), (70, 403683), (94, 300615), (98, 288345), (105, 269122), (141, 200410), (147, 192230), (210, 134561), (235, 120246), (245, 115338), (282, 100205), (294, 96115), (329, 85890), (409, 69090), (470, 60123), (490, 57669), (658, 42945), (705, 40082), (735, 38446), (818, 34545), (987, 28630), (1227, 23030), (1410, 20041), (1470, 19223), (1645, 17178), (1974, 14315), (2045, 13818), (2303, 12270), (2454, 11515), (2863, 9870), (3290, 8589), (4090, 6909), (4606, 6135), (4935, 5726)]