289839680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{193}}^1$

素因数の和:261

約数の個数: 168

約数和(自身を含む): 788514552

約数和(自身を除く): 498674872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 130, 152, 160, 190, 193, 208, 247, 260, 304, 320, 361, 380, 386, 416, 494, 520, 608, 722, 760, 772, 832, 965, 988, 1040, 1216, 1235, 1444, 1520, 1544, 1805, 1930, 1976, 2080, 2470, 2509, 2888, 3040, 3088, 3610, 3667, 3860, 3952, 4160, 4693, 4940, 5018, 5776, 6080, 6176, 7220, 7334, 7720, 7904, 9386, 9880, 10036, 11552, 12352, 12545, 14440, 14668, 15440, 15808, 18335, 18772, 19760, 20072, 23104, 23465, 25090, 28880, 29336, 30880, 36670, 37544, 39520, 40144, 46930, 47671, 50180, 57760, 58672, 61760, 69673, 73340, 75088, 79040, 80288, 93860, 95342, 100360, 115520, 117344, 139346, 146680, 150176, 160576, 187720, 190684, 200720, 234688, 238355, 278692, 293360, 300352, 348365, 375440, 381368, 401440, 476710, 557384, 586720, 696730, 750880, 762736, 802880, 905749, 953420, 1114768, 1173440, 1393460, 1501760, 1525472, 1811498, 1906840, 2229536, 2786920, 3050944, 3622996, 3813680, 4459072, 4528745, 5573840, 7245992, 7627360, 9057490, 11147680, 14491984, 15254720, 18114980, 22295360, 28983968, 36229960, 57967936, 72459920, 144919840, 289839680]

約数ペア:

[(1, 289839680), (2, 144919840), (4, 72459920), (5, 57967936), (8, 36229960), (10, 28983968), (13, 22295360), (16, 18114980), (19, 15254720), (20, 14491984), (26, 11147680), (32, 9057490), (38, 7627360), (40, 7245992), (52, 5573840), (64, 4528745), (65, 4459072), (76, 3813680), (80, 3622996), (95, 3050944), (104, 2786920), (130, 2229536), (152, 1906840), (160, 1811498), (190, 1525472), (193, 1501760), (208, 1393460), (247, 1173440), (260, 1114768), (304, 953420), (320, 905749), (361, 802880), (380, 762736), (386, 750880), (416, 696730), (494, 586720), (520, 557384), (608, 476710), (722, 401440), (760, 381368), (772, 375440), (832, 348365), (965, 300352), (988, 293360), (1040, 278692), (1216, 238355), (1235, 234688), (1444, 200720), (1520, 190684), (1544, 187720), (1805, 160576), (1930, 150176), (1976, 146680), (2080, 139346), (2470, 117344), (2509, 115520), (2888, 100360), (3040, 95342), (3088, 93860), (3610, 80288), (3667, 79040), (3860, 75088), (3952, 73340), (4160, 69673), (4693, 61760), (4940, 58672), (5018, 57760), (5776, 50180), (6080, 47671), (6176, 46930), (7220, 40144), (7334, 39520), (7720, 37544), (7904, 36670), (9386, 30880), (9880, 29336), (10036, 28880), (11552, 25090), (12352, 23465), (12545, 23104), (14440, 20072), (14668, 19760), (15440, 18772), (15808, 18335)]