392079320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{316193}}^1$

素因数の和:316235

約数の個数: 32

約数和(自身を含む): 910638720

約数和(自身を除く): 518559400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 316193, 632386, 1264772, 1580965, 2529544, 3161930, 6323860, 9801983, 12647720, 19603966, 39207932, 49009915, 78415864, 98019830, 196039660, 392079320]

約数ペア:

[(1, 392079320), (2, 196039660), (4, 98019830), (5, 78415864), (8, 49009915), (10, 39207932), (20, 19603966), (31, 12647720), (40, 9801983), (62, 6323860), (124, 3161930), (155, 2529544), (248, 1580965), (310, 1264772), (620, 632386), (1240, 316193)]