1994668890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:528

約数の個数: 128

約数和(自身を含む): 5068604160

約数和(自身を除く): 3073935270

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 61, 74, 89, 111, 122, 178, 183, 185, 222, 267, 305, 331, 366, 370, 445, 534, 555, 610, 662, 890, 915, 993, 1110, 1335, 1655, 1830, 1986, 2257, 2670, 3293, 3310, 4514, 4965, 5429, 6586, 6771, 9879, 9930, 10858, 11285, 12247, 13542, 16287, 16465, 19758, 20191, 22570, 24494, 27145, 29459, 32574, 32930, 33855, 36741, 40382, 49395, 54290, 58918, 60573, 61235, 67710, 73482, 81435, 88377, 98790, 100955, 121146, 122470, 147295, 162870, 176754, 183705, 200873, 201910, 294590, 302865, 367410, 401746, 441885, 602619, 605730, 747067, 883770, 1004365, 1089983, 1205238, 1494134, 1796999, 2008730, 2179966, 2241201, 3013095, 3269949, 3593998, 3735335, 4482402, 5390997, 5449915, 6026190, 6539898, 7470670, 8984995, 10781994, 10899830, 11206005, 16349745, 17969990, 22412010, 26954985, 32699490, 53909970, 66488963, 132977926, 199466889, 332444815, 398933778, 664889630, 997334445, 1994668890]

約数ペア:

[(1, 1994668890), (2, 997334445), (3, 664889630), (5, 398933778), (6, 332444815), (10, 199466889), (15, 132977926), (30, 66488963), (37, 53909970), (61, 32699490), (74, 26954985), (89, 22412010), (111, 17969990), (122, 16349745), (178, 11206005), (183, 10899830), (185, 10781994), (222, 8984995), (267, 7470670), (305, 6539898), (331, 6026190), (366, 5449915), (370, 5390997), (445, 4482402), (534, 3735335), (555, 3593998), (610, 3269949), (662, 3013095), (890, 2241201), (915, 2179966), (993, 2008730), (1110, 1796999), (1335, 1494134), (1655, 1205238), (1830, 1089983), (1986, 1004365), (2257, 883770), (2670, 747067), (3293, 605730), (3310, 602619), (4514, 441885), (4965, 401746), (5429, 367410), (6586, 302865), (6771, 294590), (9879, 201910), (9930, 200873), (10858, 183705), (11285, 176754), (12247, 162870), (13542, 147295), (16287, 122470), (16465, 121146), (19758, 100955), (20191, 98790), (22570, 88377), (24494, 81435), (27145, 73482), (29459, 67710), (32574, 61235), (32930, 60573), (33855, 58918), (36741, 54290), (40382, 49395)]