389294620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1723}}^1$

素因数の和:1835

約数の個数: 96

約数和(自身を含む): 973163520

約数和(自身を除く): 583868900

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 79, 110, 130, 143, 158, 220, 260, 286, 316, 395, 572, 715, 790, 869, 1027, 1430, 1580, 1723, 1738, 2054, 2860, 3446, 3476, 4108, 4345, 5135, 6892, 8615, 8690, 10270, 11297, 17230, 17380, 18953, 20540, 22399, 22594, 34460, 37906, 44798, 45188, 56485, 75812, 89596, 94765, 111995, 112970, 136117, 189530, 223990, 225940, 246389, 272234, 379060, 447980, 492778, 544468, 680585, 985556, 1231945, 1361170, 1497287, 1769521, 2463890, 2722340, 2994574, 3539042, 4927780, 5989148, 7078084, 7486435, 8847605, 14972870, 17695210, 19464731, 29945740, 35390420, 38929462, 77858924, 97323655, 194647310, 389294620]

約数ペア:

[(1, 389294620), (2, 194647310), (4, 97323655), (5, 77858924), (10, 38929462), (11, 35390420), (13, 29945740), (20, 19464731), (22, 17695210), (26, 14972870), (44, 8847605), (52, 7486435), (55, 7078084), (65, 5989148), (79, 4927780), (110, 3539042), (130, 2994574), (143, 2722340), (158, 2463890), (220, 1769521), (260, 1497287), (286, 1361170), (316, 1231945), (395, 985556), (572, 680585), (715, 544468), (790, 492778), (869, 447980), (1027, 379060), (1430, 272234), (1580, 246389), (1723, 225940), (1738, 223990), (2054, 189530), (2860, 136117), (3446, 112970), (3476, 111995), (4108, 94765), (4345, 89596), (5135, 75812), (6892, 56485), (8615, 45188), (8690, 44798), (10270, 37906), (11297, 34460), (17230, 22594), (17380, 22399), (18953, 20540)]