238944280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{192697}}^1$

素因数の和:192739

約数の個数: 32

約数和(自身を含む): 554970240

約数和(自身を除く): 316025960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 192697, 385394, 770788, 963485, 1541576, 1926970, 3853940, 5973607, 7707880, 11947214, 23894428, 29868035, 47788856, 59736070, 119472140, 238944280]

約数ペア:

[(1, 238944280), (2, 119472140), (4, 59736070), (5, 47788856), (8, 29868035), (10, 23894428), (20, 11947214), (31, 7707880), (40, 5973607), (62, 3853940), (124, 1926970), (155, 1541576), (248, 963485), (310, 770788), (620, 385394), (1240, 192697)]