402811210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{68389}}^1$

素因数の和:68446

約数の個数: 32

約数和(自身を含む): 787852800

約数和(自身を除く): 385041590

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 5890, 68389, 136778, 341945, 683890, 1299391, 2120059, 2598782, 4240118, 6496955, 10600295, 12993910, 21200590, 40281121, 80562242, 201405605, 402811210]

約数ペア:

[(1, 402811210), (2, 201405605), (5, 80562242), (10, 40281121), (19, 21200590), (31, 12993910), (38, 10600295), (62, 6496955), (95, 4240118), (155, 2598782), (190, 2120059), (310, 1299391), (589, 683890), (1178, 341945), (2945, 136778), (5890, 68389)]