42974540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3449}}^1$

素因数の和:3554

約数の個数: 48

約数和(自身を含む): 104328000

約数和(自身を除く): 61353460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 3449, 6230, 6898, 12460, 13796, 17245, 24143, 34490, 48286, 68980, 96572, 120715, 241430, 306961, 482860, 613922, 1227844, 1534805, 2148727, 3069610, 4297454, 6139220, 8594908, 10743635, 21487270, 42974540]

約数ペア:

[(1, 42974540), (2, 21487270), (4, 10743635), (5, 8594908), (7, 6139220), (10, 4297454), (14, 3069610), (20, 2148727), (28, 1534805), (35, 1227844), (70, 613922), (89, 482860), (140, 306961), (178, 241430), (356, 120715), (445, 96572), (623, 68980), (890, 48286), (1246, 34490), (1780, 24143), (2492, 17245), (3115, 13796), (3449, 12460), (6230, 6898)]