251882748

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:396

約数の個数: 144

約数和(自身を含む): 722510880

約数和(自身を除く): 470628132

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 36, 39, 52, 58, 67, 78, 87, 116, 117, 134, 156, 174, 201, 234, 261, 268, 277, 348, 377, 402, 468, 522, 554, 603, 754, 804, 831, 871, 1044, 1108, 1131, 1206, 1508, 1662, 1742, 1943, 2262, 2412, 2493, 2613, 3324, 3393, 3484, 3601, 3886, 4524, 4986, 5226, 5829, 6786, 7202, 7772, 7839, 8033, 9972, 10452, 10803, 11658, 13572, 14404, 15678, 16066, 17487, 18559, 21606, 23316, 24099, 25259, 31356, 32132, 32409, 34974, 37118, 43212, 48198, 50518, 55677, 64818, 69948, 72297, 74236, 75777, 96396, 101036, 104429, 111354, 129636, 144594, 151554, 167031, 208858, 222708, 227331, 241267, 289188, 303108, 313287, 334062, 417716, 454662, 482534, 538211, 626574, 668124, 723801, 909324, 939861, 965068, 1076422, 1253148, 1447602, 1614633, 1879722, 2152844, 2171403, 2895204, 3229266, 3759444, 4342806, 4843899, 6458532, 6996743, 8685612, 9687798, 13993486, 19375596, 20990229, 27986972, 41980458, 62970687, 83960916, 125941374, 251882748]

約数ペア:

[(1, 251882748), (2, 125941374), (3, 83960916), (4, 62970687), (6, 41980458), (9, 27986972), (12, 20990229), (13, 19375596), (18, 13993486), (26, 9687798), (29, 8685612), (36, 6996743), (39, 6458532), (52, 4843899), (58, 4342806), (67, 3759444), (78, 3229266), (87, 2895204), (116, 2171403), (117, 2152844), (134, 1879722), (156, 1614633), (174, 1447602), (201, 1253148), (234, 1076422), (261, 965068), (268, 939861), (277, 909324), (348, 723801), (377, 668124), (402, 626574), (468, 538211), (522, 482534), (554, 454662), (603, 417716), (754, 334062), (804, 313287), (831, 303108), (871, 289188), (1044, 241267), (1108, 227331), (1131, 222708), (1206, 208858), (1508, 167031), (1662, 151554), (1742, 144594), (1943, 129636), (2262, 111354), (2412, 104429), (2493, 101036), (2613, 96396), (3324, 75777), (3393, 74236), (3484, 72297), (3601, 69948), (3886, 64818), (4524, 55677), (4986, 50518), (5226, 48198), (5829, 43212), (6786, 37118), (7202, 34974), (7772, 32409), (7839, 32132), (8033, 31356), (9972, 25259), (10452, 24099), (10803, 23316), (11658, 21606), (13572, 18559), (14404, 17487), (15678, 16066)]