202499920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:365

約数の個数: 160

約数和(自身を含む): 578534400

約数和(自身を除く): 376034480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 89, 112, 119, 136, 140, 170, 178, 238, 239, 272, 280, 340, 356, 445, 476, 478, 560, 595, 623, 680, 712, 890, 952, 956, 1190, 1195, 1246, 1360, 1424, 1513, 1673, 1780, 1904, 1912, 2380, 2390, 2492, 3026, 3115, 3346, 3560, 3824, 4063, 4760, 4780, 4984, 6052, 6230, 6692, 7120, 7565, 8126, 8365, 9520, 9560, 9968, 10591, 12104, 12460, 13384, 15130, 16252, 16730, 19120, 20315, 21182, 21271, 24208, 24920, 26768, 28441, 30260, 32504, 33460, 40630, 42364, 42542, 49840, 52955, 56882, 60520, 65008, 66920, 81260, 84728, 85084, 105910, 106355, 113764, 121040, 133840, 142205, 148897, 162520, 169456, 170168, 211820, 212710, 227528, 284410, 297794, 325040, 340336, 361607, 423640, 425420, 455056, 568820, 595588, 723214, 744485, 847280, 850840, 1137640, 1191176, 1446428, 1488970, 1701680, 1808035, 2275280, 2382352, 2531249, 2892856, 2977940, 3616070, 5062498, 5785712, 5955880, 7232140, 10124996, 11911760, 12656245, 14464280, 20249992, 25312490, 28928560, 40499984, 50624980, 101249960, 202499920]

約数ペア:

[(1, 202499920), (2, 101249960), (4, 50624980), (5, 40499984), (7, 28928560), (8, 25312490), (10, 20249992), (14, 14464280), (16, 12656245), (17, 11911760), (20, 10124996), (28, 7232140), (34, 5955880), (35, 5785712), (40, 5062498), (56, 3616070), (68, 2977940), (70, 2892856), (80, 2531249), (85, 2382352), (89, 2275280), (112, 1808035), (119, 1701680), (136, 1488970), (140, 1446428), (170, 1191176), (178, 1137640), (238, 850840), (239, 847280), (272, 744485), (280, 723214), (340, 595588), (356, 568820), (445, 455056), (476, 425420), (478, 423640), (560, 361607), (595, 340336), (623, 325040), (680, 297794), (712, 284410), (890, 227528), (952, 212710), (956, 211820), (1190, 170168), (1195, 169456), (1246, 162520), (1360, 148897), (1424, 142205), (1513, 133840), (1673, 121040), (1780, 113764), (1904, 106355), (1912, 105910), (2380, 85084), (2390, 84728), (2492, 81260), (3026, 66920), (3115, 65008), (3346, 60520), (3560, 56882), (3824, 52955), (4063, 49840), (4760, 42542), (4780, 42364), (4984, 40630), (6052, 33460), (6230, 32504), (6692, 30260), (7120, 28441), (7565, 26768), (8126, 24920), (8365, 24208), (9520, 21271), (9560, 21182), (9968, 20315), (10591, 19120), (12104, 16730), (12460, 16252), (13384, 15130)]