385870640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{155593}}^1$

素因数の和:155637

約数の個数: 40

約数和(自身を含む): 926095488

約数和(自身を除く): 540224848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 155593, 311186, 622372, 777965, 1244744, 1555930, 2489488, 3111860, 4823383, 6223720, 9646766, 12447440, 19293532, 24116915, 38587064, 48233830, 77174128, 96467660, 192935320, 385870640]

約数ペア:

[(1, 385870640), (2, 192935320), (4, 96467660), (5, 77174128), (8, 48233830), (10, 38587064), (16, 24116915), (20, 19293532), (31, 12447440), (40, 9646766), (62, 6223720), (80, 4823383), (124, 3111860), (155, 2489488), (248, 1555930), (310, 1244744), (496, 777965), (620, 622372), (1240, 311186), (2480, 155593)]