618804940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{32603}}^1$

素因数の和:32698

約数の個数: 48

約数和(自身を含む): 1418665248

約数和(自身を除く): 799860308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3796, 4745, 9490, 18980, 32603, 65206, 130412, 163015, 326030, 423839, 652060, 847678, 1695356, 2119195, 2380019, 4238390, 4760038, 8476780, 9520076, 11900095, 23800190, 30940247, 47600380, 61880494, 123760988, 154701235, 309402470, 618804940]

約数ペア:

[(1, 618804940), (2, 309402470), (4, 154701235), (5, 123760988), (10, 61880494), (13, 47600380), (20, 30940247), (26, 23800190), (52, 11900095), (65, 9520076), (73, 8476780), (130, 4760038), (146, 4238390), (260, 2380019), (292, 2119195), (365, 1695356), (730, 847678), (949, 652060), (1460, 423839), (1898, 326030), (3796, 163015), (4745, 130412), (9490, 65206), (18980, 32603)]