140988100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1913}}^1$

素因数の和:2005

約数の個数: 72

約数和(自身を含む): 338915808

約数和(自身を除く): 197927708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 67, 100, 110, 134, 220, 268, 275, 335, 550, 670, 737, 1100, 1340, 1474, 1675, 1913, 2948, 3350, 3685, 3826, 6700, 7370, 7652, 9565, 14740, 18425, 19130, 21043, 36850, 38260, 42086, 47825, 73700, 84172, 95650, 105215, 128171, 191300, 210430, 256342, 420860, 512684, 526075, 640855, 1052150, 1281710, 1409881, 2104300, 2563420, 2819762, 3204275, 5639524, 6408550, 7049405, 12817100, 14098810, 28197620, 35247025, 70494050, 140988100]

約数ペア:

[(1, 140988100), (2, 70494050), (4, 35247025), (5, 28197620), (10, 14098810), (11, 12817100), (20, 7049405), (22, 6408550), (25, 5639524), (44, 3204275), (50, 2819762), (55, 2563420), (67, 2104300), (100, 1409881), (110, 1281710), (134, 1052150), (220, 640855), (268, 526075), (275, 512684), (335, 420860), (550, 256342), (670, 210430), (737, 191300), (1100, 128171), (1340, 105215), (1474, 95650), (1675, 84172), (1913, 73700), (2948, 47825), (3350, 42086), (3685, 38260), (3826, 36850), (6700, 21043), (7370, 19130), (7652, 18425), (9565, 14740)]