280852810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{307}}^1\times {\mathrm{1867}}^1$

素因数の和:2195

約数の個数: 48

約数和(自身を含む): 590302944

約数和(自身を除く): 309450134

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 307, 490, 614, 1535, 1867, 2149, 3070, 3734, 4298, 9335, 10745, 13069, 15043, 18670, 21490, 26138, 30086, 65345, 75215, 91483, 130690, 150430, 182966, 457415, 573169, 914830, 1146338, 2865845, 4012183, 5731690, 8024366, 20060915, 28085281, 40121830, 56170562, 140426405, 280852810]

約数ペア:

[(1, 280852810), (2, 140426405), (5, 56170562), (7, 40121830), (10, 28085281), (14, 20060915), (35, 8024366), (49, 5731690), (70, 4012183), (98, 2865845), (245, 1146338), (307, 914830), (490, 573169), (614, 457415), (1535, 182966), (1867, 150430), (2149, 130690), (3070, 91483), (3734, 75215), (4298, 65345), (9335, 30086), (10745, 26138), (13069, 21490), (15043, 18670)]