38403260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 94802400

約数和(自身を除く): 56399140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 149, 196, 245, 263, 298, 490, 526, 596, 745, 980, 1043, 1052, 1315, 1490, 1841, 2086, 2630, 2980, 3682, 4172, 5215, 5260, 7301, 7364, 9205, 10430, 12887, 14602, 18410, 20860, 25774, 29204, 36505, 36820, 39187, 51548, 64435, 73010, 78374, 128870, 146020, 156748, 195935, 257740, 274309, 391870, 548618, 783740, 1097236, 1371545, 1920163, 2743090, 3840326, 5486180, 7680652, 9600815, 19201630, 38403260]

約数ペア:

[(1, 38403260), (2, 19201630), (4, 9600815), (5, 7680652), (7, 5486180), (10, 3840326), (14, 2743090), (20, 1920163), (28, 1371545), (35, 1097236), (49, 783740), (70, 548618), (98, 391870), (140, 274309), (149, 257740), (196, 195935), (245, 156748), (263, 146020), (298, 128870), (490, 78374), (526, 73010), (596, 64435), (745, 51548), (980, 39187), (1043, 36820), (1052, 36505), (1315, 29204), (1490, 25774), (1841, 20860), (2086, 18410), (2630, 14602), (2980, 12887), (3682, 10430), (4172, 9205), (5215, 7364), (5260, 7301)]