471047220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21991}}^1$

素因数の和:22030

約数の個数: 144

約数和(自身を含む): 1729099008

約数和(自身を除く): 1258051788

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, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3570, 4284, 5355, 7140, 10710, 21420, 21991, 43982, 65973, 87964, 109955, 131946, 153937, 197919, 219910, 263892, 307874, 329865, 373847, 395838, 439820, 461811, 615748, 659730, 747694, 769685, 791676, 923622, 989595, 1121541, 1319460, 1385433, 1495388, 1539370, 1847244, 1869235, 1979190, 2243082, 2309055, 2616929, 2770866, 3078740, 3364623, 3738470, 3958380, 4486164, 4618110, 5233858, 5541732, 5607705, 6729246, 6927165, 7476940, 7850787, 9236220, 10467716, 11215410, 13084645, 13458492, 13854330, 15701574, 16823115, 22430820, 23552361, 26169290, 27708660, 31403148, 33646230, 39253935, 47104722, 52338580, 67292460, 78507870, 94209444, 117761805, 157015740, 235523610, 471047220]

約数ペア:

[(1, 471047220), (2, 235523610), (3, 157015740), (4, 117761805), (5, 94209444), (6, 78507870), (7, 67292460), (9, 52338580), (10, 47104722), (12, 39253935), (14, 33646230), (15, 31403148), (17, 27708660), (18, 26169290), (20, 23552361), (21, 22430820), (28, 16823115), (30, 15701574), (34, 13854330), (35, 13458492), (36, 13084645), (42, 11215410), (45, 10467716), (51, 9236220), (60, 7850787), (63, 7476940), (68, 6927165), (70, 6729246), (84, 5607705), (85, 5541732), (90, 5233858), (102, 4618110), (105, 4486164), (119, 3958380), (126, 3738470), (140, 3364623), (153, 3078740), (170, 2770866), (180, 2616929), (204, 2309055), (210, 2243082), (238, 1979190), (252, 1869235), (255, 1847244), (306, 1539370), (315, 1495388), (340, 1385433), (357, 1319460), (420, 1121541), (476, 989595), (510, 923622), (595, 791676), (612, 769685), (630, 747694), (714, 659730), (765, 615748), (1020, 461811), (1071, 439820), (1190, 395838), (1260, 373847), (1428, 329865), (1530, 307874), (1785, 263892), (2142, 219910), (2380, 197919), (3060, 153937), (3570, 131946), (4284, 109955), (5355, 87964), (7140, 65973), (10710, 43982), (21420, 21991)]