204870900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1$

素因数の和:562

約数の個数: 144

約数和(自身を含む): 644833728

約数和(自身を除く): 439962828

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, 130, 131, 150, 156, 195, 260, 262, 300, 325, 390, 393, 401, 524, 650, 655, 780, 786, 802, 975, 1203, 1300, 1310, 1572, 1604, 1703, 1950, 1965, 2005, 2406, 2620, 3275, 3406, 3900, 3930, 4010, 4812, 5109, 5213, 6015, 6550, 6812, 7860, 8020, 8515, 9825, 10025, 10218, 10426, 12030, 13100, 15639, 17030, 19650, 20050, 20436, 20852, 24060, 25545, 26065, 30075, 31278, 34060, 39300, 40100, 42575, 51090, 52130, 52531, 60150, 62556, 78195, 85150, 102180, 104260, 105062, 120300, 127725, 130325, 156390, 157593, 170300, 210124, 255450, 260650, 262655, 312780, 315186, 390975, 510900, 521300, 525310, 630372, 682903, 781950, 787965, 1050620, 1313275, 1365806, 1563900, 1575930, 2048709, 2626550, 2731612, 3151860, 3414515, 3939825, 4097418, 5253100, 6829030, 7879650, 8194836, 10243545, 13658060, 15759300, 17072575, 20487090, 34145150, 40974180, 51217725, 68290300, 102435450, 204870900]

約数ペア:

[(1, 204870900), (2, 102435450), (3, 68290300), (4, 51217725), (5, 40974180), (6, 34145150), (10, 20487090), (12, 17072575), (13, 15759300), (15, 13658060), (20, 10243545), (25, 8194836), (26, 7879650), (30, 6829030), (39, 5253100), (50, 4097418), (52, 3939825), (60, 3414515), (65, 3151860), (75, 2731612), (78, 2626550), (100, 2048709), (130, 1575930), (131, 1563900), (150, 1365806), (156, 1313275), (195, 1050620), (260, 787965), (262, 781950), (300, 682903), (325, 630372), (390, 525310), (393, 521300), (401, 510900), (524, 390975), (650, 315186), (655, 312780), (780, 262655), (786, 260650), (802, 255450), (975, 210124), (1203, 170300), (1300, 157593), (1310, 156390), (1572, 130325), (1604, 127725), (1703, 120300), (1950, 105062), (1965, 104260), (2005, 102180), (2406, 85150), (2620, 78195), (3275, 62556), (3406, 60150), (3900, 52531), (3930, 52130), (4010, 51090), (4812, 42575), (5109, 40100), (5213, 39300), (6015, 34060), (6550, 31278), (6812, 30075), (7860, 26065), (8020, 25545), (8515, 24060), (9825, 20852), (10025, 20436), (10218, 20050), (10426, 19650), (12030, 17030), (13100, 15639)]