208618900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{373}}^1$

素因数の和:458

約数の個数: 144

約数和(自身を含む): 560964096

約数和(自身を除く): 352345196

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 47, 50, 68, 70, 85, 94, 100, 119, 140, 170, 175, 188, 235, 238, 329, 340, 350, 373, 425, 470, 476, 595, 658, 700, 746, 799, 850, 940, 1175, 1190, 1316, 1492, 1598, 1645, 1700, 1865, 2350, 2380, 2611, 2975, 3196, 3290, 3730, 3995, 4700, 5222, 5593, 5950, 6341, 6580, 7460, 7990, 8225, 9325, 10444, 11186, 11900, 12682, 13055, 15980, 16450, 17531, 18650, 19975, 22372, 25364, 26110, 27965, 31705, 32900, 35062, 37300, 39950, 44387, 52220, 55930, 63410, 65275, 70124, 79900, 87655, 88774, 111860, 122717, 126820, 130550, 139825, 158525, 175310, 177548, 221935, 245434, 261100, 279650, 298027, 317050, 350620, 438275, 443870, 490868, 559300, 596054, 613585, 634100, 876550, 887740, 1109675, 1192108, 1227170, 1490135, 1753100, 2086189, 2219350, 2454340, 2980270, 3067925, 4172378, 4438700, 5960540, 6135850, 7450675, 8344756, 10430945, 12271700, 14901350, 20861890, 29802700, 41723780, 52154725, 104309450, 208618900]

約数ペア:

[(1, 208618900), (2, 104309450), (4, 52154725), (5, 41723780), (7, 29802700), (10, 20861890), (14, 14901350), (17, 12271700), (20, 10430945), (25, 8344756), (28, 7450675), (34, 6135850), (35, 5960540), (47, 4438700), (50, 4172378), (68, 3067925), (70, 2980270), (85, 2454340), (94, 2219350), (100, 2086189), (119, 1753100), (140, 1490135), (170, 1227170), (175, 1192108), (188, 1109675), (235, 887740), (238, 876550), (329, 634100), (340, 613585), (350, 596054), (373, 559300), (425, 490868), (470, 443870), (476, 438275), (595, 350620), (658, 317050), (700, 298027), (746, 279650), (799, 261100), (850, 245434), (940, 221935), (1175, 177548), (1190, 175310), (1316, 158525), (1492, 139825), (1598, 130550), (1645, 126820), (1700, 122717), (1865, 111860), (2350, 88774), (2380, 87655), (2611, 79900), (2975, 70124), (3196, 65275), (3290, 63410), (3730, 55930), (3995, 52220), (4700, 44387), (5222, 39950), (5593, 37300), (5950, 35062), (6341, 32900), (6580, 31705), (7460, 27965), (7990, 26110), (8225, 25364), (9325, 22372), (10444, 19975), (11186, 18650), (11900, 17531), (12682, 16450), (13055, 15980)]