4720180

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 10405584

約数和(自身を除く): 5685404

約数列:

[1, 2, 4, 5, 10, 20, 53, 61, 73, 106, 122, 146, 212, 244, 265, 292, 305, 365, 530, 610, 730, 1060, 1220, 1460, 3233, 3869, 4453, 6466, 7738, 8906, 12932, 15476, 16165, 17812, 19345, 22265, 32330, 38690, 44530, 64660, 77380, 89060, 236009, 472018, 944036, 1180045, 2360090, 4720180]

約数ペア:

[(1, 4720180), (2, 2360090), (4, 1180045), (5, 944036), (10, 472018), (20, 236009), (53, 89060), (61, 77380), (73, 64660), (106, 44530), (122, 38690), (146, 32330), (212, 22265), (244, 19345), (265, 17812), (292, 16165), (305, 15476), (365, 12932), (530, 8906), (610, 7738), (730, 6466), (1060, 4453), (1220, 3869), (1460, 3233)]