728674520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{6211}}^1$

素因数の和:6648

約数の個数: 64

約数和(自身を含む): 1878508800

約数和(自身を除く): 1149834280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 419, 838, 1676, 2095, 2933, 3352, 4190, 5866, 6211, 8380, 11732, 12422, 14665, 16760, 23464, 24844, 29330, 31055, 43477, 49688, 58660, 62110, 86954, 117320, 124220, 173908, 217385, 248440, 347816, 434770, 869540, 1739080, 2602409, 5204818, 10409636, 13012045, 18216863, 20819272, 26024090, 36433726, 52048180, 72867452, 91084315, 104096360, 145734904, 182168630, 364337260, 728674520]

約数ペア:

[(1, 728674520), (2, 364337260), (4, 182168630), (5, 145734904), (7, 104096360), (8, 91084315), (10, 72867452), (14, 52048180), (20, 36433726), (28, 26024090), (35, 20819272), (40, 18216863), (56, 13012045), (70, 10409636), (140, 5204818), (280, 2602409), (419, 1739080), (838, 869540), (1676, 434770), (2095, 347816), (2933, 248440), (3352, 217385), (4190, 173908), (5866, 124220), (6211, 117320), (8380, 86954), (11732, 62110), (12422, 58660), (14665, 49688), (16760, 43477), (23464, 31055), (24844, 29330)]