210519972

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{331}}^1$

素因数の和:511

約数の個数: 120

約数和(自身を含む): 598402112

約数和(自身を除く): 387882140

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 151, 156, 162, 234, 302, 324, 331, 351, 453, 468, 604, 662, 702, 906, 993, 1053, 1324, 1359, 1404, 1812, 1963, 1986, 2106, 2718, 2979, 3926, 3972, 4077, 4212, 4303, 5436, 5889, 5958, 7852, 8154, 8606, 8937, 11778, 11916, 12231, 12909, 16308, 17212, 17667, 17874, 23556, 24462, 25818, 26811, 35334, 35748, 38727, 48924, 49981, 51636, 53001, 53622, 70668, 77454, 99962, 106002, 107244, 116181, 149943, 154908, 159003, 199924, 212004, 232362, 299886, 318006, 348543, 449829, 464724, 599772, 636012, 649753, 697086, 899658, 1299506, 1349487, 1394172, 1799316, 1949259, 2599012, 2698974, 3898518, 4048461, 5397948, 5847777, 7797036, 8096922, 11695554, 16193844, 17543331, 23391108, 35086662, 52629993, 70173324, 105259986, 210519972]

約数ペア:

[(1, 210519972), (2, 105259986), (3, 70173324), (4, 52629993), (6, 35086662), (9, 23391108), (12, 17543331), (13, 16193844), (18, 11695554), (26, 8096922), (27, 7797036), (36, 5847777), (39, 5397948), (52, 4048461), (54, 3898518), (78, 2698974), (81, 2599012), (108, 1949259), (117, 1799316), (151, 1394172), (156, 1349487), (162, 1299506), (234, 899658), (302, 697086), (324, 649753), (331, 636012), (351, 599772), (453, 464724), (468, 449829), (604, 348543), (662, 318006), (702, 299886), (906, 232362), (993, 212004), (1053, 199924), (1324, 159003), (1359, 154908), (1404, 149943), (1812, 116181), (1963, 107244), (1986, 106002), (2106, 99962), (2718, 77454), (2979, 70668), (3926, 53622), (3972, 53001), (4077, 51636), (4212, 49981), (4303, 48924), (5436, 38727), (5889, 35748), (5958, 35334), (7852, 26811), (8154, 25818), (8606, 24462), (8937, 23556), (11778, 17874), (11916, 17667), (12231, 17212), (12909, 16308)]