878207820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{4157}}^1$

素因数の和:4679

約数の個数: 96

約数和(自身を含む): 2816529408

約数和(自身を除く): 1938321588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 503, 1006, 1509, 2012, 2515, 3018, 3521, 4157, 5030, 6036, 7042, 7545, 8314, 10060, 10563, 12471, 14084, 15090, 16628, 17605, 20785, 21126, 24942, 29099, 30180, 35210, 41570, 42252, 49884, 52815, 58198, 62355, 70420, 83140, 87297, 105630, 116396, 124710, 145495, 174594, 211260, 249420, 290990, 349188, 436485, 581980, 872970, 1745940, 2090971, 4181942, 6272913, 8363884, 10454855, 12545826, 14636797, 20909710, 25091652, 29273594, 31364565, 41819420, 43910391, 58547188, 62729130, 73183985, 87820782, 125458260, 146367970, 175641564, 219551955, 292735940, 439103910, 878207820]

約数ペア:

[(1, 878207820), (2, 439103910), (3, 292735940), (4, 219551955), (5, 175641564), (6, 146367970), (7, 125458260), (10, 87820782), (12, 73183985), (14, 62729130), (15, 58547188), (20, 43910391), (21, 41819420), (28, 31364565), (30, 29273594), (35, 25091652), (42, 20909710), (60, 14636797), (70, 12545826), (84, 10454855), (105, 8363884), (140, 6272913), (210, 4181942), (420, 2090971), (503, 1745940), (1006, 872970), (1509, 581980), (2012, 436485), (2515, 349188), (3018, 290990), (3521, 249420), (4157, 211260), (5030, 174594), (6036, 145495), (7042, 124710), (7545, 116396), (8314, 105630), (10060, 87297), (10563, 83140), (12471, 70420), (14084, 62355), (15090, 58198), (16628, 52815), (17605, 49884), (20785, 42252), (21126, 41570), (24942, 35210), (29099, 30180)]