42140980

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{6143}}^1$

素因数の和:6173

約数の個数: 48

約数和(自身を含む): 103219200

約数和(自身を除く): 61078220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6143, 6860, 12286, 24572, 30715, 43001, 61430, 86002, 122860, 172004, 215005, 301007, 430010, 602014, 860020, 1204028, 1505035, 2107049, 3010070, 4214098, 6020140, 8428196, 10535245, 21070490, 42140980]

約数ペア:

[(1, 42140980), (2, 21070490), (4, 10535245), (5, 8428196), (7, 6020140), (10, 4214098), (14, 3010070), (20, 2107049), (28, 1505035), (35, 1204028), (49, 860020), (70, 602014), (98, 430010), (140, 301007), (196, 215005), (245, 172004), (343, 122860), (490, 86002), (686, 61430), (980, 43001), (1372, 30715), (1715, 24572), (3430, 12286), (6143, 6860)]