405696540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{293983}}^1$

素因数の和:294018

約数の個数: 48

約数和(自身を含む): 1185343488

約数和(自身を除く): 779646948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 293983, 587966, 881949, 1175932, 1469915, 1763898, 2939830, 3527796, 4409745, 5879660, 6761609, 8819490, 13523218, 17638980, 20284827, 27046436, 33808045, 40569654, 67616090, 81139308, 101424135, 135232180, 202848270, 405696540]

約数ペア:

[(1, 405696540), (2, 202848270), (3, 135232180), (4, 101424135), (5, 81139308), (6, 67616090), (10, 40569654), (12, 33808045), (15, 27046436), (20, 20284827), (23, 17638980), (30, 13523218), (46, 8819490), (60, 6761609), (69, 5879660), (92, 4409745), (115, 3527796), (138, 2939830), (230, 1763898), (276, 1469915), (345, 1175932), (460, 881949), (690, 587966), (1380, 293983)]