1489198880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{715961}}^1$

素因数の和:715989

約数の個数: 48

約数和(自身を含む): 3788870904

約数和(自身を除く): 2299672024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 715961, 1431922, 2863844, 3579805, 5727688, 7159610, 9307493, 11455376, 14319220, 18614986, 22910752, 28638440, 37229972, 46537465, 57276880, 74459944, 93074930, 114553760, 148919888, 186149860, 297839776, 372299720, 744599440, 1489198880]

約数ペア:

[(1, 1489198880), (2, 744599440), (4, 372299720), (5, 297839776), (8, 186149860), (10, 148919888), (13, 114553760), (16, 93074930), (20, 74459944), (26, 57276880), (32, 46537465), (40, 37229972), (52, 28638440), (65, 22910752), (80, 18614986), (104, 14319220), (130, 11455376), (160, 9307493), (208, 7159610), (260, 5727688), (416, 3579805), (520, 2863844), (1040, 1431922), (2080, 715961)]