4399681840

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1486379}}^1$

素因数の和:1486429

約数の個数: 40

約数和(自身を含む): 10505733840

約数和(自身を除く): 6106052000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 1486379, 2972758, 5945516, 7431895, 11891032, 14863790, 23782064, 29727580, 54996023, 59455160, 109992046, 118910320, 219984092, 274980115, 439968184, 549960230, 879936368, 1099920460, 2199840920, 4399681840]

約数ペア:

[(1, 4399681840), (2, 2199840920), (4, 1099920460), (5, 879936368), (8, 549960230), (10, 439968184), (16, 274980115), (20, 219984092), (37, 118910320), (40, 109992046), (74, 59455160), (80, 54996023), (148, 29727580), (185, 23782064), (296, 14863790), (370, 11891032), (592, 7431895), (740, 5945516), (1480, 2972758), (2960, 1486379)]