138490380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{109913}}^1$

素因数の和:109935

約数の個数: 72

約数和(自身を含む): 480104352

約数和(自身を除く): 341613972

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 109913, 219826, 329739, 439652, 549565, 659478, 769391, 989217, 1099130, 1318956, 1538782, 1648695, 1978434, 2198260, 2308173, 3077564, 3297390, 3846955, 3956868, 4616346, 4946085, 6594780, 6924519, 7693910, 9232692, 9892170, 11540865, 13849038, 15387820, 19784340, 23081730, 27698076, 34622595, 46163460, 69245190, 138490380]

約数ペア:

[(1, 138490380), (2, 69245190), (3, 46163460), (4, 34622595), (5, 27698076), (6, 23081730), (7, 19784340), (9, 15387820), (10, 13849038), (12, 11540865), (14, 9892170), (15, 9232692), (18, 7693910), (20, 6924519), (21, 6594780), (28, 4946085), (30, 4616346), (35, 3956868), (36, 3846955), (42, 3297390), (45, 3077564), (60, 2308173), (63, 2198260), (70, 1978434), (84, 1648695), (90, 1538782), (105, 1318956), (126, 1099130), (140, 989217), (180, 769391), (210, 659478), (252, 549565), (315, 439652), (420, 329739), (630, 219826), (1260, 109913)]