142991840

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:400

約数の個数: 96

約数和(自身を含む): 353009664

約数和(自身を除く): 210017824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 127, 155, 160, 227, 248, 254, 310, 454, 496, 508, 620, 635, 908, 992, 1016, 1135, 1240, 1270, 1816, 2032, 2270, 2480, 2540, 3632, 3937, 4064, 4540, 4960, 5080, 7037, 7264, 7874, 9080, 10160, 14074, 15748, 18160, 19685, 20320, 28148, 28829, 31496, 35185, 36320, 39370, 56296, 57658, 62992, 70370, 78740, 112592, 115316, 125984, 140740, 144145, 157480, 225184, 230632, 281480, 288290, 314960, 461264, 562960, 576580, 629920, 893699, 922528, 1125920, 1153160, 1787398, 2306320, 3574796, 4468495, 4612640, 7149592, 8936990, 14299184, 17873980, 28598368, 35747960, 71495920, 142991840]

約数ペア:

[(1, 142991840), (2, 71495920), (4, 35747960), (5, 28598368), (8, 17873980), (10, 14299184), (16, 8936990), (20, 7149592), (31, 4612640), (32, 4468495), (40, 3574796), (62, 2306320), (80, 1787398), (124, 1153160), (127, 1125920), (155, 922528), (160, 893699), (227, 629920), (248, 576580), (254, 562960), (310, 461264), (454, 314960), (496, 288290), (508, 281480), (620, 230632), (635, 225184), (908, 157480), (992, 144145), (1016, 140740), (1135, 125984), (1240, 115316), (1270, 112592), (1816, 78740), (2032, 70370), (2270, 62992), (2480, 57658), (2540, 56296), (3632, 39370), (3937, 36320), (4064, 35185), (4540, 31496), (4960, 28829), (5080, 28148), (7037, 20320), (7264, 19685), (7874, 18160), (9080, 15748), (10160, 14074)]