4643980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 11395440

約数和(自身を除く): 6751460

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 101, 110, 121, 190, 202, 209, 220, 242, 380, 404, 418, 484, 505, 605, 836, 1010, 1045, 1111, 1210, 1919, 2020, 2090, 2222, 2299, 2420, 3838, 4180, 4444, 4598, 5555, 7676, 9196, 9595, 11110, 11495, 12221, 19190, 21109, 22220, 22990, 24442, 38380, 42218, 45980, 48884, 61105, 84436, 105545, 122210, 211090, 232199, 244420, 422180, 464398, 928796, 1160995, 2321990, 4643980]

約数ペア:

[(1, 4643980), (2, 2321990), (4, 1160995), (5, 928796), (10, 464398), (11, 422180), (19, 244420), (20, 232199), (22, 211090), (38, 122210), (44, 105545), (55, 84436), (76, 61105), (95, 48884), (101, 45980), (110, 42218), (121, 38380), (190, 24442), (202, 22990), (209, 22220), (220, 21109), (242, 19190), (380, 12221), (404, 11495), (418, 11110), (484, 9595), (505, 9196), (605, 7676), (836, 5555), (1010, 4598), (1045, 4444), (1111, 4180), (1210, 3838), (1919, 2420), (2020, 2299), (2090, 2222)]