4219740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 15567552

約数和(自身を除く): 11347812

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 197, 204, 210, 238, 252, 255, 306, 315, 340, 357, 394, 420, 476, 510, 591, 595, 612, 630, 714, 765, 788, 985, 1020, 1071, 1182, 1190, 1260, 1379, 1428, 1530, 1773, 1785, 1970, 2142, 2364, 2380, 2758, 2955, 3060, 3349, 3546, 3570, 3940, 4137, 4284, 5355, 5516, 5910, 6698, 6895, 7092, 7140, 8274, 8865, 10047, 10710, 11820, 12411, 13396, 13790, 16548, 16745, 17730, 20094, 20685, 21420, 23443, 24822, 27580, 30141, 33490, 35460, 40188, 41370, 46886, 49644, 50235, 60282, 62055, 66980, 70329, 82740, 93772, 100470, 117215, 120564, 124110, 140658, 150705, 200940, 210987, 234430, 248220, 281316, 301410, 351645, 421974, 468860, 602820, 703290, 843948, 1054935, 1406580, 2109870, 4219740]

約数ペア:

[(1, 4219740), (2, 2109870), (3, 1406580), (4, 1054935), (5, 843948), (6, 703290), (7, 602820), (9, 468860), (10, 421974), (12, 351645), (14, 301410), (15, 281316), (17, 248220), (18, 234430), (20, 210987), (21, 200940), (28, 150705), (30, 140658), (34, 124110), (35, 120564), (36, 117215), (42, 100470), (45, 93772), (51, 82740), (60, 70329), (63, 66980), (68, 62055), (70, 60282), (84, 50235), (85, 49644), (90, 46886), (102, 41370), (105, 40188), (119, 35460), (126, 33490), (140, 30141), (153, 27580), (170, 24822), (180, 23443), (197, 21420), (204, 20685), (210, 20094), (238, 17730), (252, 16745), (255, 16548), (306, 13790), (315, 13396), (340, 12411), (357, 11820), (394, 10710), (420, 10047), (476, 8865), (510, 8274), (591, 7140), (595, 7092), (612, 6895), (630, 6698), (714, 5910), (765, 5516), (788, 5355), (985, 4284), (1020, 4137), (1071, 3940), (1182, 3570), (1190, 3546), (1260, 3349), (1379, 3060), (1428, 2955), (1530, 2758), (1773, 2380), (1785, 2364), (1970, 2142)]