209724450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{821}}^1$

素因数の和:980

約数の個数: 96

約数和(自身を含む): 565088832

約数和(自身を除く): 355364382

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 131, 150, 195, 262, 325, 390, 393, 650, 655, 786, 821, 975, 1310, 1642, 1703, 1950, 1965, 2463, 3275, 3406, 3930, 4105, 4926, 5109, 6550, 8210, 8515, 9825, 10218, 10673, 12315, 17030, 19650, 20525, 21346, 24630, 25545, 32019, 41050, 42575, 51090, 53365, 61575, 64038, 85150, 106730, 107551, 123150, 127725, 160095, 215102, 255450, 266825, 320190, 322653, 533650, 537755, 645306, 800475, 1075510, 1398163, 1600950, 1613265, 2688775, 2796326, 3226530, 4194489, 5377550, 6990815, 8066325, 8388978, 13981630, 16132650, 20972445, 34954075, 41944890, 69908150, 104862225, 209724450]

約数ペア:

[(1, 209724450), (2, 104862225), (3, 69908150), (5, 41944890), (6, 34954075), (10, 20972445), (13, 16132650), (15, 13981630), (25, 8388978), (26, 8066325), (30, 6990815), (39, 5377550), (50, 4194489), (65, 3226530), (75, 2796326), (78, 2688775), (130, 1613265), (131, 1600950), (150, 1398163), (195, 1075510), (262, 800475), (325, 645306), (390, 537755), (393, 533650), (650, 322653), (655, 320190), (786, 266825), (821, 255450), (975, 215102), (1310, 160095), (1642, 127725), (1703, 123150), (1950, 107551), (1965, 106730), (2463, 85150), (3275, 64038), (3406, 61575), (3930, 53365), (4105, 51090), (4926, 42575), (5109, 41050), (6550, 32019), (8210, 25545), (8515, 24630), (9825, 21346), (10218, 20525), (10673, 19650), (12315, 17030)]