208123500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13}}^2\times {\mathrm{821}}^1$

素因数の和:869

約数の個数: 144

約数和(自身を含む): 657060768

約数和(自身を除く): 448937268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 125, 130, 150, 156, 169, 195, 250, 260, 300, 325, 338, 375, 390, 500, 507, 650, 676, 750, 780, 821, 845, 975, 1014, 1300, 1500, 1625, 1642, 1690, 1950, 2028, 2463, 2535, 3250, 3284, 3380, 3900, 4105, 4225, 4875, 4926, 5070, 6500, 8210, 8450, 9750, 9852, 10140, 10673, 12315, 12675, 16420, 16900, 19500, 20525, 21125, 21346, 24630, 25350, 32019, 41050, 42250, 42692, 49260, 50700, 53365, 61575, 63375, 64038, 82100, 84500, 102625, 106730, 123150, 126750, 128076, 138749, 160095, 205250, 213460, 246300, 253500, 266825, 277498, 307875, 320190, 410500, 416247, 533650, 554996, 615750, 640380, 693745, 800475, 832494, 1067300, 1231500, 1334125, 1387490, 1600950, 1664988, 2081235, 2668250, 2774980, 3201900, 3468725, 4002375, 4162470, 5336500, 6937450, 8004750, 8324940, 10406175, 13874900, 16009500, 17343625, 20812350, 34687250, 41624700, 52030875, 69374500, 104061750, 208123500]

約数ペア:

[(1, 208123500), (2, 104061750), (3, 69374500), (4, 52030875), (5, 41624700), (6, 34687250), (10, 20812350), (12, 17343625), (13, 16009500), (15, 13874900), (20, 10406175), (25, 8324940), (26, 8004750), (30, 6937450), (39, 5336500), (50, 4162470), (52, 4002375), (60, 3468725), (65, 3201900), (75, 2774980), (78, 2668250), (100, 2081235), (125, 1664988), (130, 1600950), (150, 1387490), (156, 1334125), (169, 1231500), (195, 1067300), (250, 832494), (260, 800475), (300, 693745), (325, 640380), (338, 615750), (375, 554996), (390, 533650), (500, 416247), (507, 410500), (650, 320190), (676, 307875), (750, 277498), (780, 266825), (821, 253500), (845, 246300), (975, 213460), (1014, 205250), (1300, 160095), (1500, 138749), (1625, 128076), (1642, 126750), (1690, 123150), (1950, 106730), (2028, 102625), (2463, 84500), (2535, 82100), (3250, 64038), (3284, 63375), (3380, 61575), (3900, 53365), (4105, 50700), (4225, 49260), (4875, 42692), (4926, 42250), (5070, 41050), (6500, 32019), (8210, 25350), (8450, 24630), (9750, 21346), (9852, 21125), (10140, 20525), (10673, 19500), (12315, 16900), (12675, 16420)]