2091090100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1669}}^1$

素因数の和:1778

約数の個数: 144

約数和(自身を含む): 5322784320

約数和(自身を除く): 3231694220

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 67, 68, 85, 100, 110, 134, 170, 187, 220, 268, 275, 335, 340, 374, 425, 550, 670, 737, 748, 850, 935, 1100, 1139, 1340, 1474, 1669, 1675, 1700, 1870, 2278, 2948, 3338, 3350, 3685, 3740, 4556, 4675, 5695, 6676, 6700, 7370, 8345, 9350, 11390, 12529, 14740, 16690, 18359, 18425, 18700, 22780, 25058, 28373, 28475, 33380, 36718, 36850, 41725, 50116, 56746, 56950, 62645, 73436, 73700, 83450, 91795, 111823, 113492, 113900, 125290, 141865, 166900, 183590, 223646, 250580, 283730, 312103, 313225, 367180, 447292, 458975, 559115, 567460, 624206, 626450, 709325, 917950, 1118230, 1230053, 1248412, 1252900, 1418650, 1560515, 1835900, 1900991, 2236460, 2460106, 2795575, 2837300, 3121030, 3801982, 4920212, 5591150, 6150265, 6242060, 7603964, 7802575, 9504955, 11182300, 12300530, 15605150, 19009910, 20910901, 24601060, 30751325, 31210300, 38019820, 41821802, 47524775, 61502650, 83643604, 95049550, 104554505, 123005300, 190099100, 209109010, 418218020, 522772525, 1045545050, 2091090100]

約数ペア:

[(1, 2091090100), (2, 1045545050), (4, 522772525), (5, 418218020), (10, 209109010), (11, 190099100), (17, 123005300), (20, 104554505), (22, 95049550), (25, 83643604), (34, 61502650), (44, 47524775), (50, 41821802), (55, 38019820), (67, 31210300), (68, 30751325), (85, 24601060), (100, 20910901), (110, 19009910), (134, 15605150), (170, 12300530), (187, 11182300), (220, 9504955), (268, 7802575), (275, 7603964), (335, 6242060), (340, 6150265), (374, 5591150), (425, 4920212), (550, 3801982), (670, 3121030), (737, 2837300), (748, 2795575), (850, 2460106), (935, 2236460), (1100, 1900991), (1139, 1835900), (1340, 1560515), (1474, 1418650), (1669, 1252900), (1675, 1248412), (1700, 1230053), (1870, 1118230), (2278, 917950), (2948, 709325), (3338, 626450), (3350, 624206), (3685, 567460), (3740, 559115), (4556, 458975), (4675, 447292), (5695, 367180), (6676, 313225), (6700, 312103), (7370, 283730), (8345, 250580), (9350, 223646), (11390, 183590), (12529, 166900), (14740, 141865), (16690, 125290), (18359, 113900), (18425, 113492), (18700, 111823), (22780, 91795), (25058, 83450), (28373, 73700), (28475, 73436), (33380, 62645), (36718, 56950), (36850, 56746), (41725, 50116)]