28589940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5477}}^1$

素因数の和:5521

約数の個数: 72

約数和(自身を含む): 89729640

約数和(自身を除く): 61139700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 5477, 10954, 16431, 21908, 27385, 32862, 49293, 54770, 65724, 82155, 98586, 109540, 158833, 164310, 197172, 246465, 317666, 328620, 476499, 492930, 635332, 794165, 952998, 985860, 1429497, 1588330, 1905996, 2382495, 2858994, 3176660, 4764990, 5717988, 7147485, 9529980, 14294970, 28589940]

約数ペア:

[(1, 28589940), (2, 14294970), (3, 9529980), (4, 7147485), (5, 5717988), (6, 4764990), (9, 3176660), (10, 2858994), (12, 2382495), (15, 1905996), (18, 1588330), (20, 1429497), (29, 985860), (30, 952998), (36, 794165), (45, 635332), (58, 492930), (60, 476499), (87, 328620), (90, 317666), (116, 246465), (145, 197172), (174, 164310), (180, 158833), (261, 109540), (290, 98586), (348, 82155), (435, 65724), (522, 54770), (580, 49293), (870, 32862), (1044, 27385), (1305, 21908), (1740, 16431), (2610, 10954), (5220, 5477)]