291214220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{3301}}^1$

素因数の和:3722

約数の個数: 48

約数和(自身を含む): 669011616

約数和(自身を除く): 377797396

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 401, 802, 1604, 2005, 3301, 4010, 4411, 6602, 8020, 8822, 13204, 16505, 17644, 22055, 33010, 36311, 44110, 66020, 72622, 88220, 145244, 181555, 363110, 726220, 1323701, 2647402, 5294804, 6618505, 13237010, 14560711, 26474020, 29121422, 58242844, 72803555, 145607110, 291214220]

約数ペア:

[(1, 291214220), (2, 145607110), (4, 72803555), (5, 58242844), (10, 29121422), (11, 26474020), (20, 14560711), (22, 13237010), (44, 6618505), (55, 5294804), (110, 2647402), (220, 1323701), (401, 726220), (802, 363110), (1604, 181555), (2005, 145244), (3301, 88220), (4010, 72622), (4411, 66020), (6602, 44110), (8020, 36311), (8822, 33010), (13204, 22055), (16505, 17644)]