28369660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:667

約数の個数: 72

約数和(自身を含む): 69042960

約数和(自身を除く): 40673300

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 190, 209, 220, 242, 380, 418, 484, 605, 617, 836, 1045, 1210, 1234, 2090, 2299, 2420, 2468, 3085, 4180, 4598, 6170, 6787, 9196, 11495, 11723, 12340, 13574, 22990, 23446, 27148, 33935, 45980, 46892, 58615, 67870, 74657, 117230, 128953, 135740, 149314, 234460, 257906, 298628, 373285, 515812, 644765, 746570, 1289530, 1418483, 1493140, 2579060, 2836966, 5673932, 7092415, 14184830, 28369660]

約数ペア:

[(1, 28369660), (2, 14184830), (4, 7092415), (5, 5673932), (10, 2836966), (11, 2579060), (19, 1493140), (20, 1418483), (22, 1289530), (38, 746570), (44, 644765), (55, 515812), (76, 373285), (95, 298628), (110, 257906), (121, 234460), (190, 149314), (209, 135740), (220, 128953), (242, 117230), (380, 74657), (418, 67870), (484, 58615), (605, 46892), (617, 45980), (836, 33935), (1045, 27148), (1210, 23446), (1234, 22990), (2090, 13574), (2299, 12340), (2420, 11723), (2468, 11495), (3085, 9196), (4180, 6787), (4598, 6170)]