127392020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:393

約数の個数: 96

約数和(自身を含む): 319334400

約数和(自身を除く): 191942380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 149, 155, 197, 217, 298, 310, 394, 434, 596, 620, 745, 788, 868, 985, 1043, 1085, 1379, 1490, 1970, 2086, 2170, 2758, 2980, 3940, 4172, 4340, 4619, 5215, 5516, 6107, 6895, 9238, 10430, 12214, 13790, 18476, 20860, 23095, 24428, 27580, 29353, 30535, 32333, 42749, 46190, 58706, 61070, 64666, 85498, 92380, 117412, 122140, 129332, 146765, 161665, 170996, 205471, 213745, 293530, 323330, 410942, 427490, 587060, 646660, 821884, 854980, 909943, 1027355, 1819886, 2054710, 3639772, 4109420, 4549715, 6369601, 9099430, 12739202, 18198860, 25478404, 31848005, 63696010, 127392020]

約数ペア:

[(1, 127392020), (2, 63696010), (4, 31848005), (5, 25478404), (7, 18198860), (10, 12739202), (14, 9099430), (20, 6369601), (28, 4549715), (31, 4109420), (35, 3639772), (62, 2054710), (70, 1819886), (124, 1027355), (140, 909943), (149, 854980), (155, 821884), (197, 646660), (217, 587060), (298, 427490), (310, 410942), (394, 323330), (434, 293530), (596, 213745), (620, 205471), (745, 170996), (788, 161665), (868, 146765), (985, 129332), (1043, 122140), (1085, 117412), (1379, 92380), (1490, 85498), (1970, 64666), (2086, 61070), (2170, 58706), (2758, 46190), (2980, 42749), (3940, 32333), (4172, 30535), (4340, 29353), (4619, 27580), (5215, 24428), (5516, 23095), (6107, 20860), (6895, 18476), (9238, 13790), (10430, 12214)]