490360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:88

約数の個数: 64

約数和(自身を含む): 1270080

約数和(自身を除く): 779720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 41, 46, 52, 65, 82, 92, 104, 115, 130, 164, 184, 205, 230, 260, 299, 328, 410, 460, 520, 533, 598, 820, 920, 943, 1066, 1196, 1495, 1640, 1886, 2132, 2392, 2665, 2990, 3772, 4264, 4715, 5330, 5980, 7544, 9430, 10660, 11960, 12259, 18860, 21320, 24518, 37720, 49036, 61295, 98072, 122590, 245180, 490360]

約数ペア:

[(1, 490360), (2, 245180), (4, 122590), (5, 98072), (8, 61295), (10, 49036), (13, 37720), (20, 24518), (23, 21320), (26, 18860), (40, 12259), (41, 11960), (46, 10660), (52, 9430), (65, 7544), (82, 5980), (92, 5330), (104, 4715), (115, 4264), (130, 3772), (164, 2990), (184, 2665), (205, 2392), (230, 2132), (260, 1886), (299, 1640), (328, 1495), (410, 1196), (460, 1066), (520, 943), (533, 920), (598, 820)]