3204940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 7124544

約数和(自身を除く): 3919604

約数列:

[1, 2, 4, 5, 10, 20, 37, 61, 71, 74, 122, 142, 148, 185, 244, 284, 305, 355, 370, 610, 710, 740, 1220, 1420, 2257, 2627, 4331, 4514, 5254, 8662, 9028, 10508, 11285, 13135, 17324, 21655, 22570, 26270, 43310, 45140, 52540, 86620, 160247, 320494, 640988, 801235, 1602470, 3204940]

約数ペア:

[(1, 3204940), (2, 1602470), (4, 801235), (5, 640988), (10, 320494), (20, 160247), (37, 86620), (61, 52540), (71, 45140), (74, 43310), (122, 26270), (142, 22570), (148, 21655), (185, 17324), (244, 13135), (284, 11285), (305, 10508), (355, 9028), (370, 8662), (610, 5254), (710, 4514), (740, 4331), (1220, 2627), (1420, 2257)]