388634120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:375

約数の個数: 128

約数和(自身を含む): 1028298240

約数和(自身を除く): 639664120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 113, 140, 142, 173, 226, 280, 284, 346, 355, 452, 497, 565, 568, 692, 710, 791, 865, 904, 994, 1130, 1211, 1384, 1420, 1582, 1730, 1988, 2260, 2422, 2485, 2840, 3164, 3460, 3955, 3976, 4520, 4844, 4970, 6055, 6328, 6920, 7910, 8023, 9688, 9940, 12110, 12283, 15820, 16046, 19549, 19880, 24220, 24566, 31640, 32092, 39098, 40115, 48440, 49132, 56161, 61415, 64184, 78196, 80230, 85981, 97745, 98264, 112322, 122830, 136843, 156392, 160460, 171962, 195490, 224644, 245660, 273686, 280805, 320920, 343924, 390980, 429905, 449288, 491320, 547372, 561610, 684215, 687848, 781960, 859810, 1094744, 1123220, 1368430, 1387979, 1719620, 2246440, 2736860, 2775958, 3439240, 5473720, 5551916, 6939895, 9715853, 11103832, 13879790, 19431706, 27759580, 38863412, 48579265, 55519160, 77726824, 97158530, 194317060, 388634120]

約数ペア:

[(1, 388634120), (2, 194317060), (4, 97158530), (5, 77726824), (7, 55519160), (8, 48579265), (10, 38863412), (14, 27759580), (20, 19431706), (28, 13879790), (35, 11103832), (40, 9715853), (56, 6939895), (70, 5551916), (71, 5473720), (113, 3439240), (140, 2775958), (142, 2736860), (173, 2246440), (226, 1719620), (280, 1387979), (284, 1368430), (346, 1123220), (355, 1094744), (452, 859810), (497, 781960), (565, 687848), (568, 684215), (692, 561610), (710, 547372), (791, 491320), (865, 449288), (904, 429905), (994, 390980), (1130, 343924), (1211, 320920), (1384, 280805), (1420, 273686), (1582, 245660), (1730, 224644), (1988, 195490), (2260, 171962), (2422, 160460), (2485, 156392), (2840, 136843), (3164, 122830), (3460, 112322), (3955, 98264), (3976, 97745), (4520, 85981), (4844, 80230), (4970, 78196), (6055, 64184), (6328, 61415), (6920, 56161), (7910, 49132), (8023, 48440), (9688, 40115), (9940, 39098), (12110, 32092), (12283, 31640), (15820, 24566), (16046, 24220), (19549, 19880)]