220779440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{394249}}^1$

素因数の和:394269

約数の個数: 40

約数和(自身を含む): 586644000

約数和(自身を除く): 365864560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 394249, 788498, 1576996, 1971245, 2759743, 3153992, 3942490, 5519486, 6307984, 7884980, 11038972, 13798715, 15769960, 22077944, 27597430, 31539920, 44155888, 55194860, 110389720, 220779440]

約数ペア:

[(1, 220779440), (2, 110389720), (4, 55194860), (5, 44155888), (7, 31539920), (8, 27597430), (10, 22077944), (14, 15769960), (16, 13798715), (20, 11038972), (28, 7884980), (35, 6307984), (40, 5519486), (56, 3942490), (70, 3153992), (80, 2759743), (112, 1971245), (140, 1576996), (280, 788498), (560, 394249)]