28060620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{941}}^1$

素因数の和:1031

約数の個数: 96

約数和(自身を含む): 91155456

約数和(自身を除く): 63094836

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 84, 105, 140, 142, 210, 213, 284, 355, 420, 426, 497, 710, 852, 941, 994, 1065, 1420, 1491, 1882, 1988, 2130, 2485, 2823, 2982, 3764, 4260, 4705, 4970, 5646, 5964, 6587, 7455, 9410, 9940, 11292, 13174, 14115, 14910, 18820, 19761, 26348, 28230, 29820, 32935, 39522, 56460, 65870, 66811, 79044, 98805, 131740, 133622, 197610, 200433, 267244, 334055, 395220, 400866, 467677, 668110, 801732, 935354, 1002165, 1336220, 1403031, 1870708, 2004330, 2338385, 2806062, 4008660, 4676770, 5612124, 7015155, 9353540, 14030310, 28060620]

約数ペア:

[(1, 28060620), (2, 14030310), (3, 9353540), (4, 7015155), (5, 5612124), (6, 4676770), (7, 4008660), (10, 2806062), (12, 2338385), (14, 2004330), (15, 1870708), (20, 1403031), (21, 1336220), (28, 1002165), (30, 935354), (35, 801732), (42, 668110), (60, 467677), (70, 400866), (71, 395220), (84, 334055), (105, 267244), (140, 200433), (142, 197610), (210, 133622), (213, 131740), (284, 98805), (355, 79044), (420, 66811), (426, 65870), (497, 56460), (710, 39522), (852, 32935), (941, 29820), (994, 28230), (1065, 26348), (1420, 19761), (1491, 18820), (1882, 14910), (1988, 14115), (2130, 13174), (2485, 11292), (2823, 9940), (2982, 9410), (3764, 7455), (4260, 6587), (4705, 5964), (4970, 5646)]