212960940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{419}}^1$

素因数の和:671

約数の個数: 96

約数和(自身を含む): 614718720

約数和(自身を除く): 401757780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 197, 215, 258, 394, 419, 430, 516, 591, 645, 788, 838, 860, 985, 1182, 1257, 1290, 1676, 1970, 2095, 2364, 2514, 2580, 2955, 3940, 4190, 5028, 5910, 6285, 8380, 8471, 11820, 12570, 16942, 18017, 25140, 25413, 33884, 36034, 42355, 50826, 54051, 72068, 82543, 84710, 90085, 101652, 108102, 127065, 165086, 169420, 180170, 216204, 247629, 254130, 270255, 330172, 360340, 412715, 495258, 508260, 540510, 825430, 990516, 1081020, 1238145, 1650860, 2476290, 3549349, 4952580, 7098698, 10648047, 14197396, 17746745, 21296094, 35493490, 42592188, 53240235, 70986980, 106480470, 212960940]

約数ペア:

[(1, 212960940), (2, 106480470), (3, 70986980), (4, 53240235), (5, 42592188), (6, 35493490), (10, 21296094), (12, 17746745), (15, 14197396), (20, 10648047), (30, 7098698), (43, 4952580), (60, 3549349), (86, 2476290), (129, 1650860), (172, 1238145), (197, 1081020), (215, 990516), (258, 825430), (394, 540510), (419, 508260), (430, 495258), (516, 412715), (591, 360340), (645, 330172), (788, 270255), (838, 254130), (860, 247629), (985, 216204), (1182, 180170), (1257, 169420), (1290, 165086), (1676, 127065), (1970, 108102), (2095, 101652), (2364, 90085), (2514, 84710), (2580, 82543), (2955, 72068), (3940, 54051), (4190, 50826), (5028, 42355), (5910, 36034), (6285, 33884), (8380, 25413), (8471, 25140), (11820, 18017), (12570, 16942)]