28411740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{22549}}^1$

素因数の和:22571

約数の個数: 72

約数和(自身を含む): 98498400

約数和(自身を除く): 70086660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 22549, 45098, 67647, 90196, 112745, 135294, 157843, 202941, 225490, 270588, 315686, 338235, 405882, 450980, 473529, 631372, 676470, 789215, 811764, 947058, 1014705, 1352940, 1420587, 1578430, 1894116, 2029410, 2367645, 2841174, 3156860, 4058820, 4735290, 5682348, 7102935, 9470580, 14205870, 28411740]

約数ペア:

[(1, 28411740), (2, 14205870), (3, 9470580), (4, 7102935), (5, 5682348), (6, 4735290), (7, 4058820), (9, 3156860), (10, 2841174), (12, 2367645), (14, 2029410), (15, 1894116), (18, 1578430), (20, 1420587), (21, 1352940), (28, 1014705), (30, 947058), (35, 811764), (36, 789215), (42, 676470), (45, 631372), (60, 473529), (63, 450980), (70, 405882), (84, 338235), (90, 315686), (105, 270588), (126, 225490), (140, 202941), (180, 157843), (210, 135294), (252, 112745), (315, 90196), (420, 67647), (630, 45098), (1260, 22549)]