78238860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{186283}}^1$

素因数の和:186302

約数の個数: 48

約数和(自身を含む): 250365696

約数和(自身を除く): 172126836

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 186283, 372566, 558849, 745132, 931415, 1117698, 1303981, 1862830, 2235396, 2607962, 2794245, 3725660, 3911943, 5215924, 5588490, 6519905, 7823886, 11176980, 13039810, 15647772, 19559715, 26079620, 39119430, 78238860]

約数ペア:

[(1, 78238860), (2, 39119430), (3, 26079620), (4, 19559715), (5, 15647772), (6, 13039810), (7, 11176980), (10, 7823886), (12, 6519905), (14, 5588490), (15, 5215924), (20, 3911943), (21, 3725660), (28, 2794245), (30, 2607962), (35, 2235396), (42, 1862830), (60, 1303981), (70, 1117698), (84, 931415), (105, 745132), (140, 558849), (210, 372566), (420, 186283)]