2021899880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{50497}}^1$

素因数の和:50539

約数の個数: 128

約数和(自身を含む): 6108238080

約数和(自身を除く): 4086338200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 182, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 572, 616, 715, 728, 770, 910, 1001, 1144, 1430, 1540, 1820, 2002, 2860, 3080, 3640, 4004, 5005, 5720, 8008, 10010, 20020, 40040, 50497, 100994, 201988, 252485, 353479, 403976, 504970, 555467, 656461, 706958, 1009940, 1110934, 1312922, 1413916, 1767395, 2019880, 2221868, 2625844, 2777335, 2827832, 3282305, 3534790, 3888269, 4443736, 4595227, 5251688, 5554670, 6564610, 7069580, 7221071, 7776538, 9190454, 11109340, 13129220, 14139160, 14442142, 15553076, 18380908, 19441345, 22218680, 22976135, 26258440, 28884284, 31106152, 36105355, 36761816, 38882690, 45952270, 50547497, 57768568, 72210710, 77765380, 91904540, 101094994, 144421420, 155530760, 183809080, 202189988, 252737485, 288842840, 404379976, 505474970, 1010949940, 2021899880]

約数ペア:

[(1, 2021899880), (2, 1010949940), (4, 505474970), (5, 404379976), (7, 288842840), (8, 252737485), (10, 202189988), (11, 183809080), (13, 155530760), (14, 144421420), (20, 101094994), (22, 91904540), (26, 77765380), (28, 72210710), (35, 57768568), (40, 50547497), (44, 45952270), (52, 38882690), (55, 36761816), (56, 36105355), (65, 31106152), (70, 28884284), (77, 26258440), (88, 22976135), (91, 22218680), (104, 19441345), (110, 18380908), (130, 15553076), (140, 14442142), (143, 14139160), (154, 13129220), (182, 11109340), (220, 9190454), (260, 7776538), (280, 7221071), (286, 7069580), (308, 6564610), (364, 5554670), (385, 5251688), (440, 4595227), (455, 4443736), (520, 3888269), (572, 3534790), (616, 3282305), (715, 2827832), (728, 2777335), (770, 2625844), (910, 2221868), (1001, 2019880), (1144, 1767395), (1430, 1413916), (1540, 1312922), (1820, 1110934), (2002, 1009940), (2860, 706958), (3080, 656461), (3640, 555467), (4004, 504970), (5005, 403976), (5720, 353479), (8008, 252485), (10010, 201988), (20020, 100994), (40040, 50497)]