209566140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{599}}^1$

素因数の和:649

約数の個数: 192

約数和(自身を含む): 725760000

約数和(自身を除く): 516193860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 49, 51, 60, 68, 70, 84, 85, 98, 102, 105, 119, 140, 147, 170, 196, 204, 210, 238, 245, 255, 294, 340, 343, 357, 420, 476, 490, 510, 588, 595, 599, 686, 714, 735, 833, 980, 1020, 1029, 1190, 1198, 1372, 1428, 1470, 1666, 1715, 1785, 1797, 2058, 2380, 2396, 2499, 2940, 2995, 3332, 3430, 3570, 3594, 4116, 4165, 4193, 4998, 5145, 5831, 5990, 6860, 7140, 7188, 8330, 8386, 8985, 9996, 10183, 10290, 11662, 11980, 12495, 12579, 16660, 16772, 17493, 17970, 20366, 20580, 20965, 23324, 24990, 25158, 29155, 29351, 30549, 34986, 35940, 40732, 41930, 49980, 50316, 50915, 58310, 58702, 61098, 62895, 69972, 71281, 83860, 87465, 88053, 101830, 116620, 117404, 122196, 125790, 142562, 146755, 152745, 174930, 176106, 203660, 205457, 213843, 251580, 285124, 293510, 305490, 349860, 352212, 356405, 410914, 427686, 440265, 498967, 587020, 610980, 616371, 712810, 821828, 855372, 880530, 997934, 1027285, 1069215, 1232742, 1425620, 1496901, 1761060, 1995868, 2054570, 2138430, 2465484, 2494835, 2993802, 3081855, 3492769, 4109140, 4276860, 4989670, 5987604, 6163710, 6985538, 7484505, 9979340, 10478307, 12327420, 13971076, 14969010, 17463845, 20956614, 29938020, 34927690, 41913228, 52391535, 69855380, 104783070, 209566140]

約数ペア:

[(1, 209566140), (2, 104783070), (3, 69855380), (4, 52391535), (5, 41913228), (6, 34927690), (7, 29938020), (10, 20956614), (12, 17463845), (14, 14969010), (15, 13971076), (17, 12327420), (20, 10478307), (21, 9979340), (28, 7484505), (30, 6985538), (34, 6163710), (35, 5987604), (42, 4989670), (49, 4276860), (51, 4109140), (60, 3492769), (68, 3081855), (70, 2993802), (84, 2494835), (85, 2465484), (98, 2138430), (102, 2054570), (105, 1995868), (119, 1761060), (140, 1496901), (147, 1425620), (170, 1232742), (196, 1069215), (204, 1027285), (210, 997934), (238, 880530), (245, 855372), (255, 821828), (294, 712810), (340, 616371), (343, 610980), (357, 587020), (420, 498967), (476, 440265), (490, 427686), (510, 410914), (588, 356405), (595, 352212), (599, 349860), (686, 305490), (714, 293510), (735, 285124), (833, 251580), (980, 213843), (1020, 205457), (1029, 203660), (1190, 176106), (1198, 174930), (1372, 152745), (1428, 146755), (1470, 142562), (1666, 125790), (1715, 122196), (1785, 117404), (1797, 116620), (2058, 101830), (2380, 88053), (2396, 87465), (2499, 83860), (2940, 71281), (2995, 69972), (3332, 62895), (3430, 61098), (3570, 58702), (3594, 58310), (4116, 50915), (4165, 50316), (4193, 49980), (4998, 41930), (5145, 40732), (5831, 35940), (5990, 34986), (6860, 30549), (7140, 29351), (7188, 29155), (8330, 25158), (8386, 24990), (8985, 23324), (9996, 20965), (10183, 20580), (10290, 20366), (11662, 17970), (11980, 17493), (12495, 16772), (12579, 16660)]