394308520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{2999}}^1$

素因数の和:3202

約数の個数: 64

約数和(自身を含む): 939600000

約数和(自身を除く): 545291480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 173, 190, 346, 380, 692, 760, 865, 1384, 1730, 2999, 3287, 3460, 5998, 6574, 6920, 11996, 13148, 14995, 16435, 23992, 26296, 29990, 32870, 56981, 59980, 65740, 113962, 119960, 131480, 227924, 284905, 455848, 518827, 569810, 1037654, 1139620, 2075308, 2279240, 2594135, 4150616, 5188270, 9857713, 10376540, 19715426, 20753080, 39430852, 49288565, 78861704, 98577130, 197154260, 394308520]

約数ペア:

[(1, 394308520), (2, 197154260), (4, 98577130), (5, 78861704), (8, 49288565), (10, 39430852), (19, 20753080), (20, 19715426), (38, 10376540), (40, 9857713), (76, 5188270), (95, 4150616), (152, 2594135), (173, 2279240), (190, 2075308), (346, 1139620), (380, 1037654), (692, 569810), (760, 518827), (865, 455848), (1384, 284905), (1730, 227924), (2999, 131480), (3287, 119960), (3460, 113962), (5998, 65740), (6574, 59980), (6920, 56981), (11996, 32870), (13148, 29990), (14995, 26296), (16435, 23992)]