217336021940

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1\times {\mathrm{705499}}^1$

素因数の和:705792

約数の個数: 48

約数和(自身を含む): 464851128000

約数和(自身を除く): 247515106060

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 211, 292, 365, 422, 730, 844, 1055, 1460, 2110, 4220, 15403, 30806, 61612, 77015, 154030, 308060, 705499, 1410998, 2821996, 3527495, 7054990, 14109980, 51501427, 103002854, 148860289, 206005708, 257507135, 297720578, 515014270, 595441156, 744301445, 1030028540, 1488602890, 2977205780, 10866801097, 21733602194, 43467204388, 54334005485, 108668010970, 217336021940]

約数ペア:

[(1, 217336021940), (2, 108668010970), (4, 54334005485), (5, 43467204388), (10, 21733602194), (20, 10866801097), (73, 2977205780), (146, 1488602890), (211, 1030028540), (292, 744301445), (365, 595441156), (422, 515014270), (730, 297720578), (844, 257507135), (1055, 206005708), (1460, 148860289), (2110, 103002854), (4220, 51501427), (15403, 14109980), (30806, 7054990), (61612, 3527495), (77015, 2821996), (154030, 1410998), (308060, 705499)]