215406744

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:358

約数の個数: 128

約数和(自身を含む): 635904000

約数和(自身を除く): 420497256

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 137, 147, 168, 191, 196, 274, 294, 343, 382, 392, 411, 548, 573, 588, 686, 764, 822, 959, 1029, 1096, 1146, 1176, 1337, 1372, 1528, 1644, 1918, 2058, 2292, 2674, 2744, 2877, 3288, 3836, 4011, 4116, 4584, 5348, 5754, 6713, 7672, 8022, 8232, 9359, 10696, 11508, 13426, 16044, 18718, 20139, 23016, 26167, 26852, 28077, 32088, 37436, 40278, 46991, 52334, 53704, 56154, 65513, 74872, 78501, 80556, 93982, 104668, 112308, 131026, 140973, 157002, 161112, 183169, 187964, 196539, 209336, 224616, 262052, 281946, 314004, 366338, 375928, 393078, 524104, 549507, 563892, 628008, 732676, 786156, 1099014, 1127784, 1282183, 1465352, 1572312, 2198028, 2564366, 3846549, 4396056, 5128732, 7693098, 8975281, 10257464, 15386196, 17950562, 26925843, 30772392, 35901124, 53851686, 71802248, 107703372, 215406744]

約数ペア:

[(1, 215406744), (2, 107703372), (3, 71802248), (4, 53851686), (6, 35901124), (7, 30772392), (8, 26925843), (12, 17950562), (14, 15386196), (21, 10257464), (24, 8975281), (28, 7693098), (42, 5128732), (49, 4396056), (56, 3846549), (84, 2564366), (98, 2198028), (137, 1572312), (147, 1465352), (168, 1282183), (191, 1127784), (196, 1099014), (274, 786156), (294, 732676), (343, 628008), (382, 563892), (392, 549507), (411, 524104), (548, 393078), (573, 375928), (588, 366338), (686, 314004), (764, 281946), (822, 262052), (959, 224616), (1029, 209336), (1096, 196539), (1146, 187964), (1176, 183169), (1337, 161112), (1372, 157002), (1528, 140973), (1644, 131026), (1918, 112308), (2058, 104668), (2292, 93982), (2674, 80556), (2744, 78501), (2877, 74872), (3288, 65513), (3836, 56154), (4011, 53704), (4116, 52334), (4584, 46991), (5348, 40278), (5754, 37436), (6713, 32088), (7672, 28077), (8022, 26852), (8232, 26167), (9359, 23016), (10696, 20139), (11508, 18718), (13426, 16044)]