28737420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1447}}^1$

素因数の和:1790

約数の個数: 48

約数和(自身を含む): 80763648

約数和(自身を除く): 52026228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331, 662, 993, 1324, 1447, 1655, 1986, 2894, 3310, 3972, 4341, 4965, 5788, 6620, 7235, 8682, 9930, 14470, 17364, 19860, 21705, 28940, 43410, 86820, 478957, 957914, 1436871, 1915828, 2394785, 2873742, 4789570, 5747484, 7184355, 9579140, 14368710, 28737420]

約数ペア:

[(1, 28737420), (2, 14368710), (3, 9579140), (4, 7184355), (5, 5747484), (6, 4789570), (10, 2873742), (12, 2394785), (15, 1915828), (20, 1436871), (30, 957914), (60, 478957), (331, 86820), (662, 43410), (993, 28940), (1324, 21705), (1447, 19860), (1655, 17364), (1986, 14470), (2894, 9930), (3310, 8682), (3972, 7235), (4341, 6620), (4965, 5788)]