219033580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{2113}}^1$

素因数の和:2266

約数の個数: 48

約数和(自身を含む): 473062464

約数和(自身を除く): 254028884

約数列:

[1, 2, 4, 5, 10, 20, 71, 73, 142, 146, 284, 292, 355, 365, 710, 730, 1420, 1460, 2113, 4226, 5183, 8452, 10366, 10565, 20732, 21130, 25915, 42260, 51830, 103660, 150023, 154249, 300046, 308498, 600092, 616996, 750115, 771245, 1500230, 1542490, 3000460, 3084980, 10951679, 21903358, 43806716, 54758395, 109516790, 219033580]

約数ペア:

[(1, 219033580), (2, 109516790), (4, 54758395), (5, 43806716), (10, 21903358), (20, 10951679), (71, 3084980), (73, 3000460), (142, 1542490), (146, 1500230), (284, 771245), (292, 750115), (355, 616996), (365, 600092), (710, 308498), (730, 300046), (1420, 154249), (1460, 150023), (2113, 103660), (4226, 51830), (5183, 42260), (8452, 25915), (10366, 21130), (10565, 20732)]