29921980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3163}}^1$

素因数の和:3226

約数の個数: 48

約数和(自身を含む): 70164864

約数和(自身を除く): 40242884

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 3163, 4730, 6326, 9460, 12652, 15815, 31630, 34793, 63260, 69586, 136009, 139172, 173965, 272018, 347930, 544036, 680045, 695860, 1360090, 1496099, 2720180, 2992198, 5984396, 7480495, 14960990, 29921980]

約数ペア:

[(1, 29921980), (2, 14960990), (4, 7480495), (5, 5984396), (10, 2992198), (11, 2720180), (20, 1496099), (22, 1360090), (43, 695860), (44, 680045), (55, 544036), (86, 347930), (110, 272018), (172, 173965), (215, 139172), (220, 136009), (430, 69586), (473, 63260), (860, 34793), (946, 31630), (1892, 15815), (2365, 12652), (3163, 9460), (4730, 6326)]