251904640

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:199

約数の個数: 192

約数和(自身を含む): 695495160

約数和(自身を除く): 443590520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 128, 130, 136, 137, 160, 169, 170, 208, 221, 260, 272, 274, 320, 338, 340, 416, 442, 520, 544, 548, 640, 676, 680, 685, 832, 845, 884, 1040, 1088, 1096, 1105, 1352, 1360, 1370, 1664, 1690, 1768, 1781, 2080, 2176, 2192, 2210, 2329, 2704, 2720, 2740, 2873, 3380, 3536, 3562, 4160, 4384, 4420, 4658, 5408, 5440, 5480, 5746, 6760, 7072, 7124, 8320, 8768, 8840, 8905, 9316, 10816, 10880, 10960, 11492, 11645, 13520, 14144, 14248, 14365, 17536, 17680, 17810, 18632, 21632, 21920, 22984, 23153, 23290, 27040, 28288, 28496, 28730, 30277, 35360, 35620, 37264, 43840, 45968, 46306, 46580, 54080, 56992, 57460, 60554, 70720, 71240, 74528, 87680, 91936, 92612, 93160, 108160, 113984, 114920, 115765, 121108, 141440, 142480, 149056, 151385, 183872, 185224, 186320, 227968, 229840, 231530, 242216, 284960, 298112, 302770, 367744, 370448, 372640, 393601, 459680, 463060, 484432, 569920, 605540, 740896, 745280, 787202, 919360, 926120, 968864, 1139840, 1211080, 1481792, 1490560, 1574404, 1838720, 1852240, 1937728, 1968005, 2422160, 2963584, 3148808, 3704480, 3875456, 3936010, 4844320, 6297616, 7408960, 7872020, 9688640, 12595232, 14817920, 15744040, 19377280, 25190464, 31488080, 50380928, 62976160, 125952320, 251904640]

約数ペア:

[(1, 251904640), (2, 125952320), (4, 62976160), (5, 50380928), (8, 31488080), (10, 25190464), (13, 19377280), (16, 15744040), (17, 14817920), (20, 12595232), (26, 9688640), (32, 7872020), (34, 7408960), (40, 6297616), (52, 4844320), (64, 3936010), (65, 3875456), (68, 3704480), (80, 3148808), (85, 2963584), (104, 2422160), (128, 1968005), (130, 1937728), (136, 1852240), (137, 1838720), (160, 1574404), (169, 1490560), (170, 1481792), (208, 1211080), (221, 1139840), (260, 968864), (272, 926120), (274, 919360), (320, 787202), (338, 745280), (340, 740896), (416, 605540), (442, 569920), (520, 484432), (544, 463060), (548, 459680), (640, 393601), (676, 372640), (680, 370448), (685, 367744), (832, 302770), (845, 298112), (884, 284960), (1040, 242216), (1088, 231530), (1096, 229840), (1105, 227968), (1352, 186320), (1360, 185224), (1370, 183872), (1664, 151385), (1690, 149056), (1768, 142480), (1781, 141440), (2080, 121108), (2176, 115765), (2192, 114920), (2210, 113984), (2329, 108160), (2704, 93160), (2720, 92612), (2740, 91936), (2873, 87680), (3380, 74528), (3536, 71240), (3562, 70720), (4160, 60554), (4384, 57460), (4420, 56992), (4658, 54080), (5408, 46580), (5440, 46306), (5480, 45968), (5746, 43840), (6760, 37264), (7072, 35620), (7124, 35360), (8320, 30277), (8768, 28730), (8840, 28496), (8905, 28288), (9316, 27040), (10816, 23290), (10880, 23153), (10960, 22984), (11492, 21920), (11645, 21632), (13520, 18632), (14144, 17810), (14248, 17680), (14365, 17536)]