3813680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:238

約数の個数: 80

約数和(自身を含む): 10103520

約数和(自身を除く): 6289840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 193, 208, 247, 260, 304, 380, 386, 494, 520, 760, 772, 965, 988, 1040, 1235, 1520, 1544, 1930, 1976, 2470, 2509, 3088, 3667, 3860, 3952, 4940, 5018, 7334, 7720, 9880, 10036, 12545, 14668, 15440, 18335, 19760, 20072, 25090, 29336, 36670, 40144, 47671, 50180, 58672, 73340, 95342, 100360, 146680, 190684, 200720, 238355, 293360, 381368, 476710, 762736, 953420, 1906840, 3813680]

約数ペア:

[(1, 3813680), (2, 1906840), (4, 953420), (5, 762736), (8, 476710), (10, 381368), (13, 293360), (16, 238355), (19, 200720), (20, 190684), (26, 146680), (38, 100360), (40, 95342), (52, 73340), (65, 58672), (76, 50180), (80, 47671), (95, 40144), (104, 36670), (130, 29336), (152, 25090), (190, 20072), (193, 19760), (208, 18335), (247, 15440), (260, 14668), (304, 12545), (380, 10036), (386, 9880), (494, 7720), (520, 7334), (760, 5018), (772, 4940), (965, 3952), (988, 3860), (1040, 3667), (1235, 3088), (1520, 2509), (1544, 2470), (1930, 1976)]