8406020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{619}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 20415360

約数和(自身を除く): 12009340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 619, 679, 970, 1238, 1358, 1940, 2476, 2716, 3095, 3395, 4333, 6190, 6790, 8666, 12380, 13580, 17332, 21665, 43330, 60043, 86660, 120086, 240172, 300215, 420301, 600430, 840602, 1200860, 1681204, 2101505, 4203010, 8406020]

約数ペア:

[(1, 8406020), (2, 4203010), (4, 2101505), (5, 1681204), (7, 1200860), (10, 840602), (14, 600430), (20, 420301), (28, 300215), (35, 240172), (70, 120086), (97, 86660), (140, 60043), (194, 43330), (388, 21665), (485, 17332), (619, 13580), (679, 12380), (970, 8666), (1238, 6790), (1358, 6190), (1940, 4333), (2476, 3395), (2716, 3095)]