210018804920

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1709}}^1\times {\mathrm{8803}}^1$

素因数の和:10872

約数の個数: 64

約数和(自身を含む): 474227460000

約数和(自身を除く): 264208655080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1709, 1745, 2792, 3418, 3490, 6836, 6980, 8545, 8803, 13672, 13960, 17090, 17606, 34180, 35212, 44015, 68360, 70424, 88030, 176060, 352120, 596441, 1192882, 2385764, 2982205, 3072247, 4771528, 5964410, 6144494, 11928820, 12288988, 15044327, 15361235, 23857640, 24577976, 30088654, 30722470, 60177308, 61444940, 75221635, 120354616, 122889880, 150443270, 300886540, 601773080, 5250470123, 10500940246, 21001880492, 26252350615, 42003760984, 52504701230, 105009402460, 210018804920]

約数ペア:

[(1, 210018804920), (2, 105009402460), (4, 52504701230), (5, 42003760984), (8, 26252350615), (10, 21001880492), (20, 10500940246), (40, 5250470123), (349, 601773080), (698, 300886540), (1396, 150443270), (1709, 122889880), (1745, 120354616), (2792, 75221635), (3418, 61444940), (3490, 60177308), (6836, 30722470), (6980, 30088654), (8545, 24577976), (8803, 23857640), (13672, 15361235), (13960, 15044327), (17090, 12288988), (17606, 11928820), (34180, 6144494), (35212, 5964410), (44015, 4771528), (68360, 3072247), (70424, 2982205), (88030, 2385764), (176060, 1192882), (352120, 596441)]