157213940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{193}}^1\times {\mathrm{241}}^1$

素因数の和:469

約数の個数: 72

約数和(自身を含む): 360842328

約数和(自身を除く): 203628388

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 193, 241, 260, 338, 386, 482, 676, 772, 845, 964, 965, 1205, 1690, 1930, 2410, 2509, 3133, 3380, 3860, 4820, 5018, 6266, 10036, 12532, 12545, 15665, 25090, 31330, 32617, 40729, 46513, 50180, 62660, 65234, 81458, 93026, 130468, 162916, 163085, 186052, 203645, 232565, 326170, 407290, 465130, 604669, 652340, 814580, 930260, 1209338, 2418676, 3023345, 6046690, 7860697, 12093380, 15721394, 31442788, 39303485, 78606970, 157213940]

約数ペア:

[(1, 157213940), (2, 78606970), (4, 39303485), (5, 31442788), (10, 15721394), (13, 12093380), (20, 7860697), (26, 6046690), (52, 3023345), (65, 2418676), (130, 1209338), (169, 930260), (193, 814580), (241, 652340), (260, 604669), (338, 465130), (386, 407290), (482, 326170), (676, 232565), (772, 203645), (845, 186052), (964, 163085), (965, 162916), (1205, 130468), (1690, 93026), (1930, 81458), (2410, 65234), (2509, 62660), (3133, 50180), (3380, 46513), (3860, 40729), (4820, 32617), (5018, 31330), (6266, 25090), (10036, 15665), (12532, 12545)]