156988660

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{227}}^1\times {\mathrm{229}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 334776960

約数和(自身を除く): 177788300

約数列:

[1, 2, 4, 5, 10, 20, 151, 227, 229, 302, 454, 458, 604, 755, 908, 916, 1135, 1145, 1510, 2270, 2290, 3020, 4540, 4580, 34277, 34579, 51983, 68554, 69158, 103966, 137108, 138316, 171385, 172895, 207932, 259915, 342770, 345790, 519830, 685540, 691580, 1039660, 7849433, 15698866, 31397732, 39247165, 78494330, 156988660]

約数ペア:

[(1, 156988660), (2, 78494330), (4, 39247165), (5, 31397732), (10, 15698866), (20, 7849433), (151, 1039660), (227, 691580), (229, 685540), (302, 519830), (454, 345790), (458, 342770), (604, 259915), (755, 207932), (908, 172895), (916, 171385), (1135, 138316), (1145, 137108), (1510, 103966), (2270, 69158), (2290, 68554), (3020, 51983), (4540, 34579), (4580, 34277)]