828423940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{128239}}^1$

素因数の和:128284

約数の個数: 48

約数和(自身を含む): 1938988800

約数和(自身を除く): 1110564860

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 128239, 256478, 512956, 641195, 1282390, 2180063, 2436541, 2564780, 4360126, 4873082, 8720252, 9746164, 10900315, 12182705, 21800630, 24365410, 41421197, 43601260, 48730820, 82842394, 165684788, 207105985, 414211970, 828423940]

約数ペア:

[(1, 828423940), (2, 414211970), (4, 207105985), (5, 165684788), (10, 82842394), (17, 48730820), (19, 43601260), (20, 41421197), (34, 24365410), (38, 21800630), (68, 12182705), (76, 10900315), (85, 9746164), (95, 8720252), (170, 4873082), (190, 4360126), (323, 2564780), (340, 2436541), (380, 2180063), (646, 1282390), (1292, 641195), (1615, 512956), (3230, 256478), (6460, 128239)]