397070440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{763597}}^1$

素因数の和:763621

約数の個数: 32

約数和(自身を含む): 962133480

約数和(自身を除く): 565063040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 763597, 1527194, 3054388, 3817985, 6108776, 7635970, 9926761, 15271940, 19853522, 30543880, 39707044, 49633805, 79414088, 99267610, 198535220, 397070440]

約数ペア:

[(1, 397070440), (2, 198535220), (4, 99267610), (5, 79414088), (8, 49633805), (10, 39707044), (13, 30543880), (20, 19853522), (26, 15271940), (40, 9926761), (52, 7635970), (65, 6108776), (104, 3817985), (130, 3054388), (260, 1527194), (520, 763597)]