251173008

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:538

約数の個数: 160

約数和(自身を含む): 771379200

約数和(自身を除く): 520206192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 71, 72, 76, 108, 114, 142, 144, 152, 171, 213, 216, 228, 284, 304, 342, 426, 431, 432, 456, 513, 568, 639, 684, 852, 862, 912, 1026, 1136, 1278, 1293, 1349, 1368, 1704, 1724, 1917, 2052, 2556, 2586, 2698, 2736, 3408, 3448, 3834, 3879, 4047, 4104, 5112, 5172, 5396, 6896, 7668, 7758, 8094, 8189, 8208, 10224, 10344, 10792, 11637, 12141, 15336, 15516, 16188, 16378, 20688, 21584, 23274, 24282, 24567, 30601, 30672, 31032, 32376, 32756, 36423, 46548, 48564, 49134, 61202, 62064, 64752, 65512, 72846, 73701, 91803, 93096, 97128, 98268, 122404, 131024, 145692, 147402, 183606, 186192, 194256, 196536, 221103, 244808, 275409, 291384, 294804, 367212, 393072, 442206, 489616, 550818, 581419, 582768, 589608, 734424, 826227, 884412, 1101636, 1162838, 1179216, 1468848, 1652454, 1744257, 1768824, 2203272, 2325676, 3304908, 3488514, 3537648, 4406544, 4651352, 5232771, 6609816, 6977028, 9302704, 10465542, 13219632, 13954056, 15698313, 20931084, 27908112, 31396626, 41862168, 62793252, 83724336, 125586504, 251173008]

約数ペア:

[(1, 251173008), (2, 125586504), (3, 83724336), (4, 62793252), (6, 41862168), (8, 31396626), (9, 27908112), (12, 20931084), (16, 15698313), (18, 13954056), (19, 13219632), (24, 10465542), (27, 9302704), (36, 6977028), (38, 6609816), (48, 5232771), (54, 4651352), (57, 4406544), (71, 3537648), (72, 3488514), (76, 3304908), (108, 2325676), (114, 2203272), (142, 1768824), (144, 1744257), (152, 1652454), (171, 1468848), (213, 1179216), (216, 1162838), (228, 1101636), (284, 884412), (304, 826227), (342, 734424), (426, 589608), (431, 582768), (432, 581419), (456, 550818), (513, 489616), (568, 442206), (639, 393072), (684, 367212), (852, 294804), (862, 291384), (912, 275409), (1026, 244808), (1136, 221103), (1278, 196536), (1293, 194256), (1349, 186192), (1368, 183606), (1704, 147402), (1724, 145692), (1917, 131024), (2052, 122404), (2556, 98268), (2586, 97128), (2698, 93096), (2736, 91803), (3408, 73701), (3448, 72846), (3834, 65512), (3879, 64752), (4047, 62064), (4104, 61202), (5112, 49134), (5172, 48564), (5396, 46548), (6896, 36423), (7668, 32756), (7758, 32376), (8094, 31032), (8189, 30672), (8208, 30601), (10224, 24567), (10344, 24282), (10792, 23274), (11637, 21584), (12141, 20688), (15336, 16378), (15516, 16188)]