1999331360

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:467

約数の個数: 192

約数和(自身を含む): 5320111104

約数和(自身を除く): 3320779744

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 101, 104, 124, 130, 155, 160, 202, 208, 248, 260, 307, 310, 403, 404, 416, 496, 505, 520, 614, 620, 806, 808, 992, 1010, 1040, 1228, 1240, 1313, 1535, 1612, 1616, 2015, 2020, 2080, 2456, 2480, 2626, 3070, 3131, 3224, 3232, 3991, 4030, 4040, 4912, 4960, 5252, 6140, 6262, 6448, 6565, 7982, 8060, 8080, 9517, 9824, 10504, 12280, 12524, 12896, 13130, 15655, 15964, 16120, 16160, 19034, 19955, 21008, 24560, 25048, 26260, 31007, 31310, 31928, 32240, 38068, 39910, 40703, 42016, 47585, 49120, 50096, 52520, 62014, 62620, 63856, 64480, 76136, 79820, 81406, 95170, 100192, 105040, 123721, 124028, 125240, 127712, 152272, 155035, 159640, 162812, 190340, 203515, 210080, 247442, 248056, 250480, 304544, 310070, 319280, 325624, 380680, 403091, 407030, 494884, 496112, 500960, 618605, 620140, 638560, 651248, 761360, 806182, 814060, 961217, 989768, 992224, 1237210, 1240280, 1302496, 1522720, 1612364, 1628120, 1922434, 1979536, 2015455, 2474420, 2480560, 3224728, 3256240, 3844868, 3959072, 4030910, 4806085, 4948840, 4961120, 6449456, 6512480, 7689736, 8061820, 9612170, 9897680, 12495821, 12898912, 15379472, 16123640, 19224340, 19795360, 24991642, 30758944, 32247280, 38448680, 49983284, 62479105, 64494560, 76897360, 99966568, 124958210, 153794720, 199933136, 249916420, 399866272, 499832840, 999665680, 1999331360]

約数ペア:

[(1, 1999331360), (2, 999665680), (4, 499832840), (5, 399866272), (8, 249916420), (10, 199933136), (13, 153794720), (16, 124958210), (20, 99966568), (26, 76897360), (31, 64494560), (32, 62479105), (40, 49983284), (52, 38448680), (62, 32247280), (65, 30758944), (80, 24991642), (101, 19795360), (104, 19224340), (124, 16123640), (130, 15379472), (155, 12898912), (160, 12495821), (202, 9897680), (208, 9612170), (248, 8061820), (260, 7689736), (307, 6512480), (310, 6449456), (403, 4961120), (404, 4948840), (416, 4806085), (496, 4030910), (505, 3959072), (520, 3844868), (614, 3256240), (620, 3224728), (806, 2480560), (808, 2474420), (992, 2015455), (1010, 1979536), (1040, 1922434), (1228, 1628120), (1240, 1612364), (1313, 1522720), (1535, 1302496), (1612, 1240280), (1616, 1237210), (2015, 992224), (2020, 989768), (2080, 961217), (2456, 814060), (2480, 806182), (2626, 761360), (3070, 651248), (3131, 638560), (3224, 620140), (3232, 618605), (3991, 500960), (4030, 496112), (4040, 494884), (4912, 407030), (4960, 403091), (5252, 380680), (6140, 325624), (6262, 319280), (6448, 310070), (6565, 304544), (7982, 250480), (8060, 248056), (8080, 247442), (9517, 210080), (9824, 203515), (10504, 190340), (12280, 162812), (12524, 159640), (12896, 155035), (13130, 152272), (15655, 127712), (15964, 125240), (16120, 124028), (16160, 123721), (19034, 105040), (19955, 100192), (21008, 95170), (24560, 81406), (25048, 79820), (26260, 76136), (31007, 64480), (31310, 63856), (31928, 62620), (32240, 62014), (38068, 52520), (39910, 50096), (40703, 49120), (42016, 47585)]