293490520

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{120283}}^1$

素因数の和:120355

約数の個数: 32

約数和(自身を含む): 671184720

約数和(自身を除く): 377694200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 120283, 240566, 481132, 601415, 962264, 1202830, 2405660, 4811320, 7337263, 14674526, 29349052, 36686315, 58698104, 73372630, 146745260, 293490520]

約数ペア:

[(1, 293490520), (2, 146745260), (4, 73372630), (5, 58698104), (8, 36686315), (10, 29349052), (20, 14674526), (40, 7337263), (61, 4811320), (122, 2405660), (244, 1202830), (305, 962264), (488, 601415), (610, 481132), (1220, 240566), (2440, 120283)]