222575140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^2\times {\mathrm{139}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 499705920

約数和(自身を除く): 277130780

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 59, 92, 115, 118, 139, 230, 236, 278, 295, 460, 556, 590, 695, 1180, 1357, 1390, 2714, 2780, 3197, 3481, 5428, 6394, 6785, 6962, 8201, 12788, 13570, 13924, 15985, 16402, 17405, 27140, 31970, 32804, 34810, 41005, 63940, 69620, 80063, 82010, 160126, 164020, 188623, 320252, 377246, 400315, 483859, 754492, 800630, 943115, 967718, 1601260, 1886230, 1935436, 2419295, 3772460, 4838590, 9677180, 11128757, 22257514, 44515028, 55643785, 111287570, 222575140]

約数ペア:

[(1, 222575140), (2, 111287570), (4, 55643785), (5, 44515028), (10, 22257514), (20, 11128757), (23, 9677180), (46, 4838590), (59, 3772460), (92, 2419295), (115, 1935436), (118, 1886230), (139, 1601260), (230, 967718), (236, 943115), (278, 800630), (295, 754492), (460, 483859), (556, 400315), (590, 377246), (695, 320252), (1180, 188623), (1357, 164020), (1390, 160126), (2714, 82010), (2780, 80063), (3197, 69620), (3481, 63940), (5428, 41005), (6394, 34810), (6785, 32804), (6962, 31970), (8201, 27140), (12788, 17405), (13570, 16402), (13924, 15985)]