3889860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4987}}^1$

素因数の和:5012

約数の個数: 48

約数和(自身を含む): 11731776

約数和(自身を除く): 7841916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 4987, 9974, 14961, 19948, 24935, 29922, 49870, 59844, 64831, 74805, 99740, 129662, 149610, 194493, 259324, 299220, 324155, 388986, 648310, 777972, 972465, 1296620, 1944930, 3889860]

約数ペア:

[(1, 3889860), (2, 1944930), (3, 1296620), (4, 972465), (5, 777972), (6, 648310), (10, 388986), (12, 324155), (13, 299220), (15, 259324), (20, 194493), (26, 149610), (30, 129662), (39, 99740), (52, 74805), (60, 64831), (65, 59844), (78, 49870), (130, 29922), (156, 24935), (195, 19948), (260, 14961), (390, 9974), (780, 4987)]