208515300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3203}}^1$

素因数の和:3258

約数の個数: 144

約数和(自身を含む): 711954432

約数和(自身を除く): 503439132

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 31, 35, 42, 50, 60, 62, 70, 75, 84, 93, 100, 105, 124, 140, 150, 155, 175, 186, 210, 217, 300, 310, 350, 372, 420, 434, 465, 525, 620, 651, 700, 775, 868, 930, 1050, 1085, 1302, 1550, 1860, 2100, 2170, 2325, 2604, 3100, 3203, 3255, 4340, 4650, 5425, 6406, 6510, 9300, 9609, 10850, 12812, 13020, 16015, 16275, 19218, 21700, 22421, 32030, 32550, 38436, 44842, 48045, 64060, 65100, 67263, 80075, 89684, 96090, 99293, 112105, 134526, 160150, 192180, 198586, 224210, 240225, 269052, 297879, 320300, 336315, 397172, 448420, 480450, 496465, 560525, 595758, 672630, 695051, 960900, 992930, 1121050, 1191516, 1345260, 1390102, 1489395, 1681575, 1985860, 2085153, 2242100, 2482325, 2780204, 2978790, 3363150, 3475255, 4170306, 4964650, 5957580, 6726300, 6950510, 7446975, 8340612, 9929300, 10425765, 13901020, 14893950, 17376275, 20851530, 29787900, 34752550, 41703060, 52128825, 69505100, 104257650, 208515300]

約数ペア:

[(1, 208515300), (2, 104257650), (3, 69505100), (4, 52128825), (5, 41703060), (6, 34752550), (7, 29787900), (10, 20851530), (12, 17376275), (14, 14893950), (15, 13901020), (20, 10425765), (21, 9929300), (25, 8340612), (28, 7446975), (30, 6950510), (31, 6726300), (35, 5957580), (42, 4964650), (50, 4170306), (60, 3475255), (62, 3363150), (70, 2978790), (75, 2780204), (84, 2482325), (93, 2242100), (100, 2085153), (105, 1985860), (124, 1681575), (140, 1489395), (150, 1390102), (155, 1345260), (175, 1191516), (186, 1121050), (210, 992930), (217, 960900), (300, 695051), (310, 672630), (350, 595758), (372, 560525), (420, 496465), (434, 480450), (465, 448420), (525, 397172), (620, 336315), (651, 320300), (700, 297879), (775, 269052), (868, 240225), (930, 224210), (1050, 198586), (1085, 192180), (1302, 160150), (1550, 134526), (1860, 112105), (2100, 99293), (2170, 96090), (2325, 89684), (2604, 80075), (3100, 67263), (3203, 65100), (3255, 64060), (4340, 48045), (4650, 44842), (5425, 38436), (6406, 32550), (6510, 32030), (9300, 22421), (9609, 21700), (10850, 19218), (12812, 16275), (13020, 16015)]