381347120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1997}}^1$

素因数の和:2059

約数の個数: 160

約数和(自身を含む): 1141641216

約数和(自身を除く): 760294096

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 80, 88, 110, 112, 124, 140, 154, 155, 176, 217, 220, 248, 280, 308, 310, 341, 385, 434, 440, 496, 560, 616, 620, 682, 770, 868, 880, 1085, 1232, 1240, 1364, 1540, 1705, 1736, 1997, 2170, 2387, 2480, 2728, 3080, 3410, 3472, 3994, 4340, 4774, 5456, 6160, 6820, 7988, 8680, 9548, 9985, 11935, 13640, 13979, 15976, 17360, 19096, 19970, 21967, 23870, 27280, 27958, 31952, 38192, 39940, 43934, 47740, 55916, 61907, 69895, 79880, 87868, 95480, 109835, 111832, 123814, 139790, 153769, 159760, 175736, 190960, 219670, 223664, 247628, 279580, 307538, 309535, 351472, 433349, 439340, 495256, 559160, 615076, 619070, 680977, 768845, 866698, 878680, 990512, 1118320, 1230152, 1238140, 1361954, 1537690, 1733396, 1757360, 2166745, 2460304, 2476280, 2723908, 3075380, 3404885, 3466792, 4333490, 4766839, 4952560, 5447816, 6150760, 6809770, 6933584, 8666980, 9533678, 10895632, 12301520, 13619540, 17333960, 19067356, 23834195, 27239080, 34667920, 38134712, 47668390, 54478160, 76269424, 95336780, 190673560, 381347120]

約数ペア:

[(1, 381347120), (2, 190673560), (4, 95336780), (5, 76269424), (7, 54478160), (8, 47668390), (10, 38134712), (11, 34667920), (14, 27239080), (16, 23834195), (20, 19067356), (22, 17333960), (28, 13619540), (31, 12301520), (35, 10895632), (40, 9533678), (44, 8666980), (55, 6933584), (56, 6809770), (62, 6150760), (70, 5447816), (77, 4952560), (80, 4766839), (88, 4333490), (110, 3466792), (112, 3404885), (124, 3075380), (140, 2723908), (154, 2476280), (155, 2460304), (176, 2166745), (217, 1757360), (220, 1733396), (248, 1537690), (280, 1361954), (308, 1238140), (310, 1230152), (341, 1118320), (385, 990512), (434, 878680), (440, 866698), (496, 768845), (560, 680977), (616, 619070), (620, 615076), (682, 559160), (770, 495256), (868, 439340), (880, 433349), (1085, 351472), (1232, 309535), (1240, 307538), (1364, 279580), (1540, 247628), (1705, 223664), (1736, 219670), (1997, 190960), (2170, 175736), (2387, 159760), (2480, 153769), (2728, 139790), (3080, 123814), (3410, 111832), (3472, 109835), (3994, 95480), (4340, 87868), (4774, 79880), (5456, 69895), (6160, 61907), (6820, 55916), (7988, 47740), (8680, 43934), (9548, 39940), (9985, 38192), (11935, 31952), (13640, 27958), (13979, 27280), (15976, 23870), (17360, 21967), (19096, 19970)]