890759128

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 2052864000

約数和(自身を除く): 1162104872

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 53, 56, 58, 79, 106, 116, 131, 158, 203, 212, 232, 262, 316, 371, 406, 424, 524, 553, 632, 742, 812, 917, 1048, 1106, 1484, 1537, 1624, 1834, 2212, 2291, 2968, 3074, 3668, 3799, 4187, 4424, 4582, 6148, 6943, 7336, 7598, 8374, 9164, 10349, 10759, 12296, 13886, 15196, 16037, 16748, 18328, 20698, 21518, 26593, 27772, 29309, 30392, 32074, 33496, 41396, 43036, 48601, 53186, 55544, 58618, 64148, 72443, 82792, 86072, 97202, 106372, 117236, 121423, 128296, 144886, 194404, 201347, 212744, 234472, 242846, 289772, 300121, 388808, 402694, 485692, 548497, 579544, 600242, 805388, 849961, 971384, 1096994, 1200484, 1409429, 1610776, 1699922, 2100847, 2193988, 2400968, 2818858, 3399844, 3839479, 4201694, 4387976, 5637716, 6799688, 7678958, 8403388, 11275432, 15357916, 15906413, 16806776, 30715832, 31812826, 63625652, 111344891, 127251304, 222689782, 445379564, 890759128]

約数ペア:

[(1, 890759128), (2, 445379564), (4, 222689782), (7, 127251304), (8, 111344891), (14, 63625652), (28, 31812826), (29, 30715832), (53, 16806776), (56, 15906413), (58, 15357916), (79, 11275432), (106, 8403388), (116, 7678958), (131, 6799688), (158, 5637716), (203, 4387976), (212, 4201694), (232, 3839479), (262, 3399844), (316, 2818858), (371, 2400968), (406, 2193988), (424, 2100847), (524, 1699922), (553, 1610776), (632, 1409429), (742, 1200484), (812, 1096994), (917, 971384), (1048, 849961), (1106, 805388), (1484, 600242), (1537, 579544), (1624, 548497), (1834, 485692), (2212, 402694), (2291, 388808), (2968, 300121), (3074, 289772), (3668, 242846), (3799, 234472), (4187, 212744), (4424, 201347), (4582, 194404), (6148, 144886), (6943, 128296), (7336, 121423), (7598, 117236), (8374, 106372), (9164, 97202), (10349, 86072), (10759, 82792), (12296, 72443), (13886, 64148), (15196, 58618), (16037, 55544), (16748, 53186), (18328, 48601), (20698, 43036), (21518, 41396), (26593, 33496), (27772, 32074), (29309, 30392)]