245438580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{215297}}^1$

素因数の和:215328

約数の個数: 48

約数和(自身を含む): 723401280

約数和(自身を除く): 477962700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 215297, 430594, 645891, 861188, 1076485, 1291782, 2152970, 2583564, 3229455, 4090643, 4305940, 6458910, 8181286, 12271929, 12917820, 16362572, 20453215, 24543858, 40906430, 49087716, 61359645, 81812860, 122719290, 245438580]

約数ペア:

[(1, 245438580), (2, 122719290), (3, 81812860), (4, 61359645), (5, 49087716), (6, 40906430), (10, 24543858), (12, 20453215), (15, 16362572), (19, 12917820), (20, 12271929), (30, 8181286), (38, 6458910), (57, 4305940), (60, 4090643), (76, 3229455), (95, 2583564), (114, 2152970), (190, 1291782), (228, 1076485), (285, 861188), (380, 645891), (570, 430594), (1140, 215297)]