979720280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{331}}^1$

素因数の和:422

約数の個数: 192

約数和(自身を含む): 2848400640

約数和(自身を除く): 1868680360

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 88, 110, 124, 140, 154, 155, 217, 220, 248, 280, 308, 310, 331, 341, 385, 434, 440, 616, 620, 662, 682, 770, 868, 961, 1085, 1240, 1324, 1364, 1540, 1655, 1705, 1736, 1922, 2170, 2317, 2387, 2648, 2728, 3080, 3310, 3410, 3641, 3844, 4340, 4634, 4774, 4805, 6620, 6727, 6820, 7282, 7688, 8680, 9268, 9548, 9610, 10261, 10571, 11585, 11935, 13240, 13454, 13640, 14564, 18205, 18536, 19096, 19220, 20522, 21142, 23170, 23870, 25487, 26908, 29128, 33635, 36410, 38440, 41044, 42284, 46340, 47740, 50974, 51305, 52855, 53816, 67270, 71827, 72820, 73997, 82088, 84568, 92680, 95480, 101948, 102610, 105710, 112871, 127435, 134540, 143654, 145640, 147994, 203896, 205220, 211420, 225742, 254870, 269080, 287308, 295988, 318091, 359135, 369985, 410440, 422840, 451484, 509740, 564355, 574616, 591976, 636182, 718270, 739970, 790097, 902968, 1019480, 1128710, 1272364, 1436540, 1479940, 1580194, 1590455, 2226637, 2257420, 2544728, 2873080, 2959880, 3160388, 3180910, 3499001, 3950485, 4453274, 4514840, 6320776, 6361820, 6998002, 7900970, 8906548, 11133185, 12723640, 13996004, 15801940, 17495005, 17813096, 22266370, 24493007, 27992008, 31603880, 34990010, 44532740, 48986014, 69980020, 89065480, 97972028, 122465035, 139960040, 195944056, 244930070, 489860140, 979720280]

約数ペア:

[(1, 979720280), (2, 489860140), (4, 244930070), (5, 195944056), (7, 139960040), (8, 122465035), (10, 97972028), (11, 89065480), (14, 69980020), (20, 48986014), (22, 44532740), (28, 34990010), (31, 31603880), (35, 27992008), (40, 24493007), (44, 22266370), (55, 17813096), (56, 17495005), (62, 15801940), (70, 13996004), (77, 12723640), (88, 11133185), (110, 8906548), (124, 7900970), (140, 6998002), (154, 6361820), (155, 6320776), (217, 4514840), (220, 4453274), (248, 3950485), (280, 3499001), (308, 3180910), (310, 3160388), (331, 2959880), (341, 2873080), (385, 2544728), (434, 2257420), (440, 2226637), (616, 1590455), (620, 1580194), (662, 1479940), (682, 1436540), (770, 1272364), (868, 1128710), (961, 1019480), (1085, 902968), (1240, 790097), (1324, 739970), (1364, 718270), (1540, 636182), (1655, 591976), (1705, 574616), (1736, 564355), (1922, 509740), (2170, 451484), (2317, 422840), (2387, 410440), (2648, 369985), (2728, 359135), (3080, 318091), (3310, 295988), (3410, 287308), (3641, 269080), (3844, 254870), (4340, 225742), (4634, 211420), (4774, 205220), (4805, 203896), (6620, 147994), (6727, 145640), (6820, 143654), (7282, 134540), (7688, 127435), (8680, 112871), (9268, 105710), (9548, 102610), (9610, 101948), (10261, 95480), (10571, 92680), (11585, 84568), (11935, 82088), (13240, 73997), (13454, 72820), (13640, 71827), (14564, 67270), (18205, 53816), (18536, 52855), (19096, 51305), (19220, 50974), (20522, 47740), (21142, 46340), (23170, 42284), (23870, 41044), (25487, 38440), (26908, 36410), (29128, 33635)]