2100979580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{367}}^1\times {\mathrm{397}}^1$

素因数の和:883

約数の個数: 96

約数和(自身を含む): 5118038016

約数和(自身を除く): 3017058436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 367, 397, 412, 515, 721, 734, 794, 1030, 1442, 1468, 1588, 1835, 1985, 2060, 2569, 2779, 2884, 3605, 3670, 3970, 5138, 5558, 7210, 7340, 7940, 10276, 11116, 12845, 13895, 14420, 25690, 27790, 37801, 40891, 51380, 55580, 75602, 81782, 145699, 151204, 163564, 189005, 204455, 264607, 286237, 291398, 378010, 408910, 529214, 572474, 582796, 728495, 756020, 817820, 1019893, 1058428, 1144948, 1323035, 1431185, 1456990, 2039786, 2646070, 2862370, 2913980, 4079572, 5099465, 5292140, 5724740, 10198930, 15006997, 20397860, 30013994, 60027988, 75034985, 105048979, 150069970, 210097958, 300139940, 420195916, 525244895, 1050489790, 2100979580]

約数ペア:

[(1, 2100979580), (2, 1050489790), (4, 525244895), (5, 420195916), (7, 300139940), (10, 210097958), (14, 150069970), (20, 105048979), (28, 75034985), (35, 60027988), (70, 30013994), (103, 20397860), (140, 15006997), (206, 10198930), (367, 5724740), (397, 5292140), (412, 5099465), (515, 4079572), (721, 2913980), (734, 2862370), (794, 2646070), (1030, 2039786), (1442, 1456990), (1468, 1431185), (1588, 1323035), (1835, 1144948), (1985, 1058428), (2060, 1019893), (2569, 817820), (2779, 756020), (2884, 728495), (3605, 582796), (3670, 572474), (3970, 529214), (5138, 408910), (5558, 378010), (7210, 291398), (7340, 286237), (7940, 264607), (10276, 204455), (11116, 189005), (12845, 163564), (13895, 151204), (14420, 145699), (25690, 81782), (27790, 75602), (37801, 55580), (40891, 51380)]