209788500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1$

素因数の和:491

約数の個数: 192

約数和(自身を含む): 682456320

約数和(自身を除く): 472667820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 25, 30, 34, 38, 50, 51, 57, 60, 68, 75, 76, 85, 95, 100, 102, 114, 125, 150, 170, 190, 204, 228, 250, 255, 285, 300, 323, 340, 375, 380, 425, 433, 475, 500, 510, 570, 646, 750, 850, 866, 950, 969, 1020, 1140, 1275, 1292, 1299, 1425, 1500, 1615, 1700, 1732, 1900, 1938, 2125, 2165, 2375, 2550, 2598, 2850, 3230, 3876, 4250, 4330, 4750, 4845, 5100, 5196, 5700, 6375, 6460, 6495, 7125, 7361, 8075, 8227, 8500, 8660, 9500, 9690, 10825, 12750, 12990, 14250, 14722, 16150, 16454, 19380, 21650, 22083, 24225, 24681, 25500, 25980, 28500, 29444, 32300, 32475, 32908, 36805, 40375, 41135, 43300, 44166, 48450, 49362, 54125, 64950, 73610, 80750, 82270, 88332, 96900, 98724, 108250, 110415, 121125, 123405, 129900, 139859, 147220, 161500, 162375, 164540, 184025, 205675, 216500, 220830, 242250, 246810, 279718, 324750, 368050, 411350, 419577, 441660, 484500, 493620, 552075, 559436, 617025, 649500, 699295, 736100, 822700, 839154, 920125, 1028375, 1104150, 1234050, 1398590, 1678308, 1840250, 2056750, 2097885, 2208300, 2468100, 2760375, 2797180, 3085125, 3496475, 3680500, 4113500, 4195770, 5520750, 6170250, 6992950, 8391540, 10489425, 11041500, 12340500, 13985900, 17482375, 20978850, 34964750, 41957700, 52447125, 69929500, 104894250, 209788500]

約数ペア:

[(1, 209788500), (2, 104894250), (3, 69929500), (4, 52447125), (5, 41957700), (6, 34964750), (10, 20978850), (12, 17482375), (15, 13985900), (17, 12340500), (19, 11041500), (20, 10489425), (25, 8391540), (30, 6992950), (34, 6170250), (38, 5520750), (50, 4195770), (51, 4113500), (57, 3680500), (60, 3496475), (68, 3085125), (75, 2797180), (76, 2760375), (85, 2468100), (95, 2208300), (100, 2097885), (102, 2056750), (114, 1840250), (125, 1678308), (150, 1398590), (170, 1234050), (190, 1104150), (204, 1028375), (228, 920125), (250, 839154), (255, 822700), (285, 736100), (300, 699295), (323, 649500), (340, 617025), (375, 559436), (380, 552075), (425, 493620), (433, 484500), (475, 441660), (500, 419577), (510, 411350), (570, 368050), (646, 324750), (750, 279718), (850, 246810), (866, 242250), (950, 220830), (969, 216500), (1020, 205675), (1140, 184025), (1275, 164540), (1292, 162375), (1299, 161500), (1425, 147220), (1500, 139859), (1615, 129900), (1700, 123405), (1732, 121125), (1900, 110415), (1938, 108250), (2125, 98724), (2165, 96900), (2375, 88332), (2550, 82270), (2598, 80750), (2850, 73610), (3230, 64950), (3876, 54125), (4250, 49362), (4330, 48450), (4750, 44166), (4845, 43300), (5100, 41135), (5196, 40375), (5700, 36805), (6375, 32908), (6460, 32475), (6495, 32300), (7125, 29444), (7361, 28500), (8075, 25980), (8227, 25500), (8500, 24681), (8660, 24225), (9500, 22083), (9690, 21650), (10825, 19380), (12750, 16454), (12990, 16150), (14250, 14722)]