201990210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{499}}^1$

素因数の和:743

約数の個数: 64

約数和(自身を含む): 494208000

約数和(自身を除く): 292217790

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 103, 131, 206, 262, 309, 393, 499, 515, 618, 655, 786, 998, 1030, 1310, 1497, 1545, 1965, 2495, 2994, 3090, 3930, 4990, 7485, 13493, 14970, 26986, 40479, 51397, 65369, 67465, 80958, 102794, 130738, 134930, 154191, 196107, 202395, 256985, 308382, 326845, 392214, 404790, 513970, 653690, 770955, 980535, 1541910, 1961070, 6733007, 13466014, 20199021, 33665035, 40398042, 67330070, 100995105, 201990210]

約数ペア:

[(1, 201990210), (2, 100995105), (3, 67330070), (5, 40398042), (6, 33665035), (10, 20199021), (15, 13466014), (30, 6733007), (103, 1961070), (131, 1541910), (206, 980535), (262, 770955), (309, 653690), (393, 513970), (499, 404790), (515, 392214), (618, 326845), (655, 308382), (786, 256985), (998, 202395), (1030, 196107), (1310, 154191), (1497, 134930), (1545, 130738), (1965, 102794), (2495, 80958), (2994, 67465), (3090, 65369), (3930, 51397), (4990, 40479), (7485, 26986), (13493, 14970)]