76678420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{42131}}^1$

素因数の和:42160

約数の個数: 48

約数和(自身を含む): 198188928

約数和(自身を除く): 121510508

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 42131, 84262, 168524, 210655, 294917, 421310, 547703, 589834, 842620, 1095406, 1179668, 1474585, 2190812, 2738515, 2949170, 3833921, 5477030, 5898340, 7667842, 10954060, 15335684, 19169605, 38339210, 76678420]

約数ペア:

[(1, 76678420), (2, 38339210), (4, 19169605), (5, 15335684), (7, 10954060), (10, 7667842), (13, 5898340), (14, 5477030), (20, 3833921), (26, 2949170), (28, 2738515), (35, 2190812), (52, 1474585), (65, 1179668), (70, 1095406), (91, 842620), (130, 589834), (140, 547703), (182, 421310), (260, 294917), (364, 210655), (455, 168524), (910, 84262), (1820, 42131)]