90234860

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1999}}^1$

素因数の和:2106

約数の個数: 48

約数和(自身を含む): 197904000

約数和(自身を除く): 107669140

約数列:

[1, 2, 4, 5, 10, 20, 37, 61, 74, 122, 148, 185, 244, 305, 370, 610, 740, 1220, 1999, 2257, 3998, 4514, 7996, 9028, 9995, 11285, 19990, 22570, 39980, 45140, 73963, 121939, 147926, 243878, 295852, 369815, 487756, 609695, 739630, 1219390, 1479260, 2438780, 4511743, 9023486, 18046972, 22558715, 45117430, 90234860]

約数ペア:

[(1, 90234860), (2, 45117430), (4, 22558715), (5, 18046972), (10, 9023486), (20, 4511743), (37, 2438780), (61, 1479260), (74, 1219390), (122, 739630), (148, 609695), (185, 487756), (244, 369815), (305, 295852), (370, 243878), (610, 147926), (740, 121939), (1220, 73963), (1999, 45140), (2257, 39980), (3998, 22570), (4514, 19990), (7996, 11285), (9028, 9995)]