28669820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:159

約数の個数: 96

約数和(自身を含む): 68257728

約数和(自身を除く): 39587908

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 43, 53, 68, 74, 85, 86, 106, 148, 170, 172, 185, 212, 215, 265, 340, 370, 430, 530, 629, 731, 740, 860, 901, 1060, 1258, 1462, 1591, 1802, 1961, 2279, 2516, 2924, 3145, 3182, 3604, 3655, 3922, 4505, 4558, 6290, 6364, 7310, 7844, 7955, 9010, 9116, 9805, 11395, 12580, 14620, 15910, 18020, 19610, 22790, 27047, 31820, 33337, 38743, 39220, 45580, 54094, 66674, 77486, 84323, 108188, 133348, 135235, 154972, 166685, 168646, 193715, 270470, 333370, 337292, 387430, 421615, 540940, 666740, 774860, 843230, 1433491, 1686460, 2866982, 5733964, 7167455, 14334910, 28669820]

約数ペア:

[(1, 28669820), (2, 14334910), (4, 7167455), (5, 5733964), (10, 2866982), (17, 1686460), (20, 1433491), (34, 843230), (37, 774860), (43, 666740), (53, 540940), (68, 421615), (74, 387430), (85, 337292), (86, 333370), (106, 270470), (148, 193715), (170, 168646), (172, 166685), (185, 154972), (212, 135235), (215, 133348), (265, 108188), (340, 84323), (370, 77486), (430, 66674), (530, 54094), (629, 45580), (731, 39220), (740, 38743), (860, 33337), (901, 31820), (1060, 27047), (1258, 22790), (1462, 19610), (1591, 18020), (1802, 15910), (1961, 14620), (2279, 12580), (2516, 11395), (2924, 9805), (3145, 9116), (3182, 9010), (3604, 7955), (3655, 7844), (3922, 7310), (4505, 6364), (4558, 6290)]