206458140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:308

約数の個数: 192

約数和(自身を含む): 693116928

約数和(自身を除く): 486658788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 101, 105, 124, 140, 155, 157, 186, 202, 210, 217, 303, 310, 314, 372, 404, 420, 434, 465, 471, 505, 606, 620, 628, 651, 707, 785, 868, 930, 942, 1010, 1085, 1099, 1212, 1302, 1414, 1515, 1570, 1860, 1884, 2020, 2121, 2170, 2198, 2355, 2604, 2828, 3030, 3131, 3140, 3255, 3297, 3535, 4242, 4340, 4396, 4710, 4867, 5495, 6060, 6262, 6510, 6594, 7070, 8484, 9393, 9420, 9734, 10605, 10990, 12524, 13020, 13188, 14140, 14601, 15655, 15857, 16485, 18786, 19468, 21210, 21917, 21980, 24335, 29202, 31310, 31714, 32970, 34069, 37572, 42420, 43834, 46965, 47571, 48670, 58404, 62620, 63428, 65751, 65940, 68138, 73005, 79285, 87668, 93930, 95142, 97340, 102207, 109585, 110999, 131502, 136276, 146010, 158570, 170345, 187860, 190284, 204414, 219170, 221998, 237855, 263004, 292020, 317140, 328755, 332997, 340690, 408828, 438340, 443996, 475710, 491567, 511035, 554995, 657510, 665994, 681380, 951420, 983134, 1022070, 1109990, 1315020, 1331988, 1474701, 1664985, 1966268, 2044140, 2219980, 2457835, 2949402, 3329970, 3440969, 4915670, 5898804, 6659940, 6881938, 7373505, 9831340, 10322907, 13763876, 14747010, 17204845, 20645814, 29494020, 34409690, 41291628, 51614535, 68819380, 103229070, 206458140]

約数ペア:

[(1, 206458140), (2, 103229070), (3, 68819380), (4, 51614535), (5, 41291628), (6, 34409690), (7, 29494020), (10, 20645814), (12, 17204845), (14, 14747010), (15, 13763876), (20, 10322907), (21, 9831340), (28, 7373505), (30, 6881938), (31, 6659940), (35, 5898804), (42, 4915670), (60, 3440969), (62, 3329970), (70, 2949402), (84, 2457835), (93, 2219980), (101, 2044140), (105, 1966268), (124, 1664985), (140, 1474701), (155, 1331988), (157, 1315020), (186, 1109990), (202, 1022070), (210, 983134), (217, 951420), (303, 681380), (310, 665994), (314, 657510), (372, 554995), (404, 511035), (420, 491567), (434, 475710), (465, 443996), (471, 438340), (505, 408828), (606, 340690), (620, 332997), (628, 328755), (651, 317140), (707, 292020), (785, 263004), (868, 237855), (930, 221998), (942, 219170), (1010, 204414), (1085, 190284), (1099, 187860), (1212, 170345), (1302, 158570), (1414, 146010), (1515, 136276), (1570, 131502), (1860, 110999), (1884, 109585), (2020, 102207), (2121, 97340), (2170, 95142), (2198, 93930), (2355, 87668), (2604, 79285), (2828, 73005), (3030, 68138), (3131, 65940), (3140, 65751), (3255, 63428), (3297, 62620), (3535, 58404), (4242, 48670), (4340, 47571), (4396, 46965), (4710, 43834), (4867, 42420), (5495, 37572), (6060, 34069), (6262, 32970), (6510, 31714), (6594, 31310), (7070, 29202), (8484, 24335), (9393, 21980), (9420, 21917), (9734, 21210), (10605, 19468), (10990, 18786), (12524, 16485), (13020, 15857), (13188, 15655), (14140, 14601)]