2387790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{617}}^1$

素因数の和:673

約数の個数: 48

約数和(自身を含む): 6362928

約数和(自身を除く): 3975138

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 617, 645, 774, 1234, 1290, 1851, 1935, 3085, 3702, 3870, 5553, 6170, 9255, 11106, 18510, 26531, 27765, 53062, 55530, 79593, 132655, 159186, 238779, 265310, 397965, 477558, 795930, 1193895, 2387790]

約数ペア:

[(1, 2387790), (2, 1193895), (3, 795930), (5, 477558), (6, 397965), (9, 265310), (10, 238779), (15, 159186), (18, 132655), (30, 79593), (43, 55530), (45, 53062), (86, 27765), (90, 26531), (129, 18510), (215, 11106), (258, 9255), (387, 6170), (430, 5553), (617, 3870), (645, 3702), (774, 3085), (1234, 1935), (1290, 1851)]