28198350

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{223}}^1\times {\mathrm{281}}^1$

素因数の和:522

約数の個数: 72

約数和(自身を含む): 76370112

約数和(自身を除く): 48171762

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 223, 225, 281, 446, 450, 562, 669, 843, 1115, 1338, 1405, 1686, 2007, 2230, 2529, 2810, 3345, 4014, 4215, 5058, 5575, 6690, 7025, 8430, 10035, 11150, 12645, 14050, 16725, 20070, 21075, 25290, 33450, 42150, 50175, 62663, 63225, 100350, 125326, 126450, 187989, 313315, 375978, 563967, 626630, 939945, 1127934, 1566575, 1879890, 2819835, 3133150, 4699725, 5639670, 9399450, 14099175, 28198350]

約数ペア:

[(1, 28198350), (2, 14099175), (3, 9399450), (5, 5639670), (6, 4699725), (9, 3133150), (10, 2819835), (15, 1879890), (18, 1566575), (25, 1127934), (30, 939945), (45, 626630), (50, 563967), (75, 375978), (90, 313315), (150, 187989), (223, 126450), (225, 125326), (281, 100350), (446, 63225), (450, 62663), (562, 50175), (669, 42150), (843, 33450), (1115, 25290), (1338, 21075), (1405, 20070), (1686, 16725), (2007, 14050), (2230, 12645), (2529, 11150), (2810, 10035), (3345, 8430), (4014, 7025), (4215, 6690), (5058, 5575)]