138600420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{47143}}^1$

素因数の和:47169

約数の個数: 72

約数和(自身を含む): 451450944

約数和(自身を除く): 312850524

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 47143, 94286, 141429, 188572, 235715, 282858, 330001, 471430, 565716, 660002, 707145, 942860, 990003, 1320004, 1414290, 1650005, 1980006, 2310007, 2828580, 3300010, 3960012, 4620014, 4950015, 6600020, 6930021, 9240028, 9900030, 11550035, 13860042, 19800060, 23100070, 27720084, 34650105, 46200140, 69300210, 138600420]

約数ペア:

[(1, 138600420), (2, 69300210), (3, 46200140), (4, 34650105), (5, 27720084), (6, 23100070), (7, 19800060), (10, 13860042), (12, 11550035), (14, 9900030), (15, 9240028), (20, 6930021), (21, 6600020), (28, 4950015), (30, 4620014), (35, 3960012), (42, 3300010), (49, 2828580), (60, 2310007), (70, 1980006), (84, 1650005), (98, 1414290), (105, 1320004), (140, 990003), (147, 942860), (196, 707145), (210, 660002), (245, 565716), (294, 471430), (420, 330001), (490, 282858), (588, 235715), (735, 188572), (980, 141429), (1470, 94286), (2940, 47143)]