203488480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{271}}^1$

素因数の和:337

約数の個数: 144

約数和(自身を含む): 548420544

約数和(自身を除く): 344932064

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 271, 304, 361, 380, 416, 494, 520, 542, 608, 722, 760, 988, 1040, 1084, 1235, 1355, 1444, 1520, 1805, 1976, 2080, 2168, 2470, 2710, 2888, 3040, 3523, 3610, 3952, 4336, 4693, 4940, 5149, 5420, 5776, 7046, 7220, 7904, 8672, 9386, 9880, 10298, 10840, 11552, 14092, 14440, 17615, 18772, 19760, 20596, 21680, 23465, 25745, 28184, 28880, 35230, 37544, 39520, 41192, 43360, 46930, 51490, 56368, 57760, 66937, 70460, 75088, 82384, 93860, 97831, 102980, 112736, 133874, 140920, 150176, 164768, 187720, 195662, 205960, 267748, 281840, 334685, 375440, 391324, 411920, 489155, 535496, 563680, 669370, 750880, 782648, 823840, 978310, 1070992, 1271803, 1338740, 1565296, 1956620, 2141984, 2543606, 2677480, 3130592, 3913240, 5087212, 5354960, 6359015, 7826480, 10174424, 10709920, 12718030, 15652960, 20348848, 25436060, 40697696, 50872120, 101744240, 203488480]

約数ペア:

[(1, 203488480), (2, 101744240), (4, 50872120), (5, 40697696), (8, 25436060), (10, 20348848), (13, 15652960), (16, 12718030), (19, 10709920), (20, 10174424), (26, 7826480), (32, 6359015), (38, 5354960), (40, 5087212), (52, 3913240), (65, 3130592), (76, 2677480), (80, 2543606), (95, 2141984), (104, 1956620), (130, 1565296), (152, 1338740), (160, 1271803), (190, 1070992), (208, 978310), (247, 823840), (260, 782648), (271, 750880), (304, 669370), (361, 563680), (380, 535496), (416, 489155), (494, 411920), (520, 391324), (542, 375440), (608, 334685), (722, 281840), (760, 267748), (988, 205960), (1040, 195662), (1084, 187720), (1235, 164768), (1355, 150176), (1444, 140920), (1520, 133874), (1805, 112736), (1976, 102980), (2080, 97831), (2168, 93860), (2470, 82384), (2710, 75088), (2888, 70460), (3040, 66937), (3523, 57760), (3610, 56368), (3952, 51490), (4336, 46930), (4693, 43360), (4940, 41192), (5149, 39520), (5420, 37544), (5776, 35230), (7046, 28880), (7220, 28184), (7904, 25745), (8672, 23465), (9386, 21680), (9880, 20596), (10298, 19760), (10840, 18772), (11552, 17615), (14092, 14440)]