40042908

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{353}}^1$

素因数の和:523

約数の個数: 72

約数和(自身を含む): 106692768

約数和(自身を除く): 66649860

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 137, 138, 207, 274, 276, 353, 411, 414, 548, 706, 822, 828, 1059, 1233, 1412, 1644, 2118, 2466, 3151, 3177, 4236, 4932, 6302, 6354, 8119, 9453, 12604, 12708, 16238, 18906, 24357, 28359, 32476, 37812, 48361, 48714, 56718, 73071, 96722, 97428, 113436, 145083, 146142, 193444, 290166, 292284, 435249, 580332, 870498, 1112303, 1740996, 2224606, 3336909, 4449212, 6673818, 10010727, 13347636, 20021454, 40042908]

約数ペア:

[(1, 40042908), (2, 20021454), (3, 13347636), (4, 10010727), (6, 6673818), (9, 4449212), (12, 3336909), (18, 2224606), (23, 1740996), (36, 1112303), (46, 870498), (69, 580332), (92, 435249), (137, 292284), (138, 290166), (207, 193444), (274, 146142), (276, 145083), (353, 113436), (411, 97428), (414, 96722), (548, 73071), (706, 56718), (822, 48714), (828, 48361), (1059, 37812), (1233, 32476), (1412, 28359), (1644, 24357), (2118, 18906), (2466, 16238), (3151, 12708), (3177, 12604), (4236, 9453), (4932, 8119), (6302, 6354)]