312388736

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:494

約数の個数: 128

約数和(自身を含む): 743800320

約数和(自身を除く): 431411584

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 31, 32, 34, 44, 62, 64, 68, 88, 124, 128, 136, 176, 187, 248, 272, 341, 352, 374, 421, 496, 527, 544, 682, 704, 748, 842, 992, 1054, 1088, 1364, 1408, 1496, 1684, 1984, 2108, 2176, 2728, 2992, 3368, 3968, 4216, 4631, 5456, 5797, 5984, 6736, 7157, 8432, 9262, 10912, 11594, 11968, 13051, 13472, 14314, 16864, 18524, 21824, 23188, 23936, 26102, 26944, 28628, 33728, 37048, 43648, 46376, 52204, 53888, 57256, 67456, 74096, 78727, 92752, 104408, 114512, 143561, 148192, 157454, 185504, 208816, 221867, 229024, 287122, 296384, 314908, 371008, 417632, 443734, 458048, 574244, 592768, 629816, 742016, 835264, 887468, 916096, 1148488, 1259632, 1670528, 1774936, 2296976, 2440537, 2519264, 3549872, 4593952, 4881074, 5038528, 7099744, 9187904, 9762148, 10077056, 14199488, 18375808, 19524296, 28398976, 39048592, 78097184, 156194368, 312388736]

約数ペア:

[(1, 312388736), (2, 156194368), (4, 78097184), (8, 39048592), (11, 28398976), (16, 19524296), (17, 18375808), (22, 14199488), (31, 10077056), (32, 9762148), (34, 9187904), (44, 7099744), (62, 5038528), (64, 4881074), (68, 4593952), (88, 3549872), (124, 2519264), (128, 2440537), (136, 2296976), (176, 1774936), (187, 1670528), (248, 1259632), (272, 1148488), (341, 916096), (352, 887468), (374, 835264), (421, 742016), (496, 629816), (527, 592768), (544, 574244), (682, 458048), (704, 443734), (748, 417632), (842, 371008), (992, 314908), (1054, 296384), (1088, 287122), (1364, 229024), (1408, 221867), (1496, 208816), (1684, 185504), (1984, 157454), (2108, 148192), (2176, 143561), (2728, 114512), (2992, 104408), (3368, 92752), (3968, 78727), (4216, 74096), (4631, 67456), (5456, 57256), (5797, 53888), (5984, 52204), (6736, 46376), (7157, 43648), (8432, 37048), (9262, 33728), (10912, 28628), (11594, 26944), (11968, 26102), (13051, 23936), (13472, 23188), (14314, 21824), (16864, 18524)]