404019420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:492

約数の個数: 192

約数和(自身を含む): 1373137920

約数和(自身を除く): 969118500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 197, 210, 228, 257, 266, 285, 380, 394, 399, 420, 514, 532, 570, 591, 665, 771, 788, 798, 985, 1028, 1140, 1182, 1285, 1330, 1379, 1542, 1596, 1799, 1970, 1995, 2364, 2570, 2660, 2758, 2955, 3084, 3598, 3743, 3855, 3940, 3990, 4137, 4883, 5140, 5397, 5516, 5910, 6895, 7196, 7486, 7710, 7980, 8274, 8995, 9766, 10794, 11229, 11820, 13790, 14649, 14972, 15420, 16548, 17990, 18715, 19532, 20685, 21588, 22458, 24415, 26201, 26985, 27580, 29298, 34181, 35980, 37430, 41370, 44916, 48830, 50629, 52402, 53970, 56145, 58596, 68362, 73245, 74860, 78603, 82740, 97660, 101258, 102543, 104804, 107940, 112290, 131005, 136724, 146490, 151887, 157206, 170905, 202516, 205086, 224580, 253145, 262010, 292980, 303774, 314412, 341810, 354403, 393015, 410172, 506290, 512715, 524020, 607548, 683620, 708806, 759435, 786030, 961951, 1012580, 1025430, 1063209, 1417612, 1518870, 1572060, 1772015, 1923902, 2050860, 2126418, 2885853, 3037740, 3544030, 3847804, 4252836, 4809755, 5316045, 5771706, 6733657, 7088060, 9619510, 10632090, 11543412, 13467314, 14429265, 19239020, 20200971, 21264180, 26934628, 28858530, 33668285, 40401942, 57717060, 67336570, 80803884, 101004855, 134673140, 202009710, 404019420]

約数ペア:

[(1, 404019420), (2, 202009710), (3, 134673140), (4, 101004855), (5, 80803884), (6, 67336570), (7, 57717060), (10, 40401942), (12, 33668285), (14, 28858530), (15, 26934628), (19, 21264180), (20, 20200971), (21, 19239020), (28, 14429265), (30, 13467314), (35, 11543412), (38, 10632090), (42, 9619510), (57, 7088060), (60, 6733657), (70, 5771706), (76, 5316045), (84, 4809755), (95, 4252836), (105, 3847804), (114, 3544030), (133, 3037740), (140, 2885853), (190, 2126418), (197, 2050860), (210, 1923902), (228, 1772015), (257, 1572060), (266, 1518870), (285, 1417612), (380, 1063209), (394, 1025430), (399, 1012580), (420, 961951), (514, 786030), (532, 759435), (570, 708806), (591, 683620), (665, 607548), (771, 524020), (788, 512715), (798, 506290), (985, 410172), (1028, 393015), (1140, 354403), (1182, 341810), (1285, 314412), (1330, 303774), (1379, 292980), (1542, 262010), (1596, 253145), (1799, 224580), (1970, 205086), (1995, 202516), (2364, 170905), (2570, 157206), (2660, 151887), (2758, 146490), (2955, 136724), (3084, 131005), (3598, 112290), (3743, 107940), (3855, 104804), (3940, 102543), (3990, 101258), (4137, 97660), (4883, 82740), (5140, 78603), (5397, 74860), (5516, 73245), (5910, 68362), (6895, 58596), (7196, 56145), (7486, 53970), (7710, 52402), (7980, 50629), (8274, 48830), (8995, 44916), (9766, 41370), (10794, 37430), (11229, 35980), (11820, 34181), (13790, 29298), (14649, 27580), (14972, 26985), (15420, 26201), (16548, 24415), (17990, 22458), (18715, 21588), (19532, 20685)]