551702120

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{1481}}^1$

素因数の和:1698

約数の個数: 64

約数和(自身を含む): 1269777600

約数和(自身を除く): 718075480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 139, 268, 278, 335, 536, 556, 670, 695, 1112, 1340, 1390, 1481, 2680, 2780, 2962, 5560, 5924, 7405, 9313, 11848, 14810, 18626, 29620, 37252, 46565, 59240, 74504, 93130, 99227, 186260, 198454, 205859, 372520, 396908, 411718, 496135, 793816, 823436, 992270, 1029295, 1646872, 1984540, 2058590, 3969080, 4117180, 8234360, 13792553, 27585106, 55170212, 68962765, 110340424, 137925530, 275851060, 551702120]

約数ペア:

[(1, 551702120), (2, 275851060), (4, 137925530), (5, 110340424), (8, 68962765), (10, 55170212), (20, 27585106), (40, 13792553), (67, 8234360), (134, 4117180), (139, 3969080), (268, 2058590), (278, 1984540), (335, 1646872), (536, 1029295), (556, 992270), (670, 823436), (695, 793816), (1112, 496135), (1340, 411718), (1390, 396908), (1481, 372520), (2680, 205859), (2780, 198454), (2962, 186260), (5560, 99227), (5924, 93130), (7405, 74504), (9313, 59240), (11848, 46565), (14810, 37252), (18626, 29620)]