28806090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 73664640

約数和(自身を除く): 44858550

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 97, 114, 190, 194, 285, 291, 485, 521, 570, 582, 970, 1042, 1455, 1563, 1843, 2605, 2910, 3126, 3686, 5210, 5529, 7815, 9215, 9899, 11058, 15630, 18430, 19798, 27645, 29697, 49495, 50537, 55290, 59394, 98990, 101074, 148485, 151611, 252685, 296970, 303222, 505370, 758055, 960203, 1516110, 1920406, 2880609, 4801015, 5761218, 9602030, 14403045, 28806090]

約数ペア:

[(1, 28806090), (2, 14403045), (3, 9602030), (5, 5761218), (6, 4801015), (10, 2880609), (15, 1920406), (19, 1516110), (30, 960203), (38, 758055), (57, 505370), (95, 303222), (97, 296970), (114, 252685), (190, 151611), (194, 148485), (285, 101074), (291, 98990), (485, 59394), (521, 55290), (570, 50537), (582, 49495), (970, 29697), (1042, 27645), (1455, 19798), (1563, 18430), (1843, 15630), (2605, 11058), (2910, 9899), (3126, 9215), (3686, 7815), (5210, 5529)]