1238420860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{42499}}^1$

素因数の和:42586

約数の個数: 48

約数和(自身を含む): 2741760000

約数和(自身を除く): 1503339140

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 310, 470, 620, 940, 1457, 2914, 5828, 7285, 14570, 29140, 42499, 84998, 169996, 212495, 424990, 849980, 1317469, 1997453, 2634938, 3994906, 5269876, 6587345, 7989812, 9987265, 13174690, 19974530, 26349380, 39949060, 61921043, 123842086, 247684172, 309605215, 619210430, 1238420860]

約数ペア:

[(1, 1238420860), (2, 619210430), (4, 309605215), (5, 247684172), (10, 123842086), (20, 61921043), (31, 39949060), (47, 26349380), (62, 19974530), (94, 13174690), (124, 9987265), (155, 7989812), (188, 6587345), (235, 5269876), (310, 3994906), (470, 2634938), (620, 1997453), (940, 1317469), (1457, 849980), (2914, 424990), (5828, 212495), (7285, 169996), (14570, 84998), (29140, 42499)]