207831910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:214

約数の個数: 128

約数和(自身を含む): 470292480

約数和(自身を除く): 262460570

約数列:

[1, 2, 5, 10, 11, 13, 22, 23, 26, 46, 55, 65, 71, 89, 110, 115, 130, 142, 143, 178, 230, 253, 286, 299, 355, 445, 506, 598, 710, 715, 781, 890, 923, 979, 1157, 1265, 1430, 1495, 1562, 1633, 1846, 1958, 2047, 2314, 2530, 2990, 3266, 3289, 3905, 4094, 4615, 4895, 5785, 6319, 6578, 7810, 8165, 9230, 9790, 10153, 10235, 11570, 12638, 12727, 16330, 16445, 17963, 20306, 20470, 21229, 22517, 25454, 26611, 31595, 32890, 35926, 42458, 45034, 50765, 53222, 63190, 63635, 69509, 82147, 89815, 101530, 106145, 112585, 127270, 133055, 139018, 145337, 164294, 179630, 212290, 225170, 233519, 266110, 290674, 292721, 347545, 410735, 467038, 585442, 695090, 726685, 821470, 903617, 1167595, 1453370, 1463605, 1598707, 1807234, 1889381, 2335190, 2927210, 3197414, 3778762, 4518085, 7993535, 9036170, 9446905, 15987070, 18893810, 20783191, 41566382, 103915955, 207831910]

約数ペア:

[(1, 207831910), (2, 103915955), (5, 41566382), (10, 20783191), (11, 18893810), (13, 15987070), (22, 9446905), (23, 9036170), (26, 7993535), (46, 4518085), (55, 3778762), (65, 3197414), (71, 2927210), (89, 2335190), (110, 1889381), (115, 1807234), (130, 1598707), (142, 1463605), (143, 1453370), (178, 1167595), (230, 903617), (253, 821470), (286, 726685), (299, 695090), (355, 585442), (445, 467038), (506, 410735), (598, 347545), (710, 292721), (715, 290674), (781, 266110), (890, 233519), (923, 225170), (979, 212290), (1157, 179630), (1265, 164294), (1430, 145337), (1495, 139018), (1562, 133055), (1633, 127270), (1846, 112585), (1958, 106145), (2047, 101530), (2314, 89815), (2530, 82147), (2990, 69509), (3266, 63635), (3289, 63190), (3905, 53222), (4094, 50765), (4615, 45034), (4895, 42458), (5785, 35926), (6319, 32890), (6578, 31595), (7810, 26611), (8165, 25454), (9230, 22517), (9790, 21229), (10153, 20470), (10235, 20306), (11570, 17963), (12638, 16445), (12727, 16330)]