291226690

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:507

約数の個数: 64

約数和(自身を含む): 568270080

約数和(自身を除く): 277043390

約数列:

[1, 2, 5, 10, 23, 41, 46, 82, 89, 115, 178, 205, 230, 347, 410, 445, 694, 890, 943, 1735, 1886, 2047, 3470, 3649, 4094, 4715, 7298, 7981, 9430, 10235, 14227, 15962, 18245, 20470, 28454, 30883, 36490, 39905, 61766, 71135, 79810, 83927, 142270, 154415, 167854, 308830, 327221, 419635, 654442, 710309, 839270, 1266203, 1420618, 1636105, 2532406, 3272210, 3551545, 6331015, 7103090, 12662030, 29122669, 58245338, 145613345, 291226690]

約数ペア:

[(1, 291226690), (2, 145613345), (5, 58245338), (10, 29122669), (23, 12662030), (41, 7103090), (46, 6331015), (82, 3551545), (89, 3272210), (115, 2532406), (178, 1636105), (205, 1420618), (230, 1266203), (347, 839270), (410, 710309), (445, 654442), (694, 419635), (890, 327221), (943, 308830), (1735, 167854), (1886, 154415), (2047, 142270), (3470, 83927), (3649, 79810), (4094, 71135), (4715, 61766), (7298, 39905), (7981, 36490), (9430, 30883), (10235, 28454), (14227, 20470), (15962, 18245)]