221725980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1093}}^1$

素因数の和:1145

約数の個数: 216

約数和(自身を含む): 817139232

約数和(自身を除く): 595413252

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 49, 60, 63, 69, 70, 84, 90, 92, 98, 105, 115, 126, 138, 140, 147, 161, 180, 196, 207, 210, 230, 245, 252, 276, 294, 315, 322, 345, 414, 420, 441, 460, 483, 490, 588, 630, 644, 690, 735, 805, 828, 882, 966, 980, 1035, 1093, 1127, 1260, 1380, 1449, 1470, 1610, 1764, 1932, 2070, 2186, 2205, 2254, 2415, 2898, 2940, 3220, 3279, 3381, 4140, 4372, 4410, 4508, 4830, 5465, 5635, 5796, 6558, 6762, 7245, 7651, 8820, 9660, 9837, 10143, 10930, 11270, 13116, 13524, 14490, 15302, 16395, 16905, 19674, 20286, 21860, 22540, 22953, 25139, 28980, 30604, 32790, 33810, 38255, 39348, 40572, 45906, 49185, 50278, 50715, 53557, 65580, 67620, 68859, 75417, 76510, 91812, 98370, 100556, 101430, 107114, 114765, 125695, 137718, 150834, 153020, 160671, 175973, 196740, 202860, 214228, 226251, 229530, 251390, 267785, 275436, 301668, 321342, 344295, 351946, 377085, 452502, 459060, 482013, 502780, 527919, 535570, 642684, 688590, 703892, 754170, 803355, 879865, 905004, 964026, 1055838, 1071140, 1131255, 1231811, 1377180, 1508340, 1583757, 1606710, 1759730, 1928052, 2111676, 2262510, 2410065, 2463622, 2639595, 3167514, 3213420, 3519460, 3695433, 4525020, 4820130, 4927244, 5279190, 6159055, 6335028, 7390866, 7918785, 9640260, 10558380, 11086299, 12318110, 14781732, 15837570, 18477165, 22172598, 24636220, 31675140, 36954330, 44345196, 55431495, 73908660, 110862990, 221725980]

約数ペア:

[(1, 221725980), (2, 110862990), (3, 73908660), (4, 55431495), (5, 44345196), (6, 36954330), (7, 31675140), (9, 24636220), (10, 22172598), (12, 18477165), (14, 15837570), (15, 14781732), (18, 12318110), (20, 11086299), (21, 10558380), (23, 9640260), (28, 7918785), (30, 7390866), (35, 6335028), (36, 6159055), (42, 5279190), (45, 4927244), (46, 4820130), (49, 4525020), (60, 3695433), (63, 3519460), (69, 3213420), (70, 3167514), (84, 2639595), (90, 2463622), (92, 2410065), (98, 2262510), (105, 2111676), (115, 1928052), (126, 1759730), (138, 1606710), (140, 1583757), (147, 1508340), (161, 1377180), (180, 1231811), (196, 1131255), (207, 1071140), (210, 1055838), (230, 964026), (245, 905004), (252, 879865), (276, 803355), (294, 754170), (315, 703892), (322, 688590), (345, 642684), (414, 535570), (420, 527919), (441, 502780), (460, 482013), (483, 459060), (490, 452502), (588, 377085), (630, 351946), (644, 344295), (690, 321342), (735, 301668), (805, 275436), (828, 267785), (882, 251390), (966, 229530), (980, 226251), (1035, 214228), (1093, 202860), (1127, 196740), (1260, 175973), (1380, 160671), (1449, 153020), (1470, 150834), (1610, 137718), (1764, 125695), (1932, 114765), (2070, 107114), (2186, 101430), (2205, 100556), (2254, 98370), (2415, 91812), (2898, 76510), (2940, 75417), (3220, 68859), (3279, 67620), (3381, 65580), (4140, 53557), (4372, 50715), (4410, 50278), (4508, 49185), (4830, 45906), (5465, 40572), (5635, 39348), (5796, 38255), (6558, 33810), (6762, 32790), (7245, 30604), (7651, 28980), (8820, 25139), (9660, 22953), (9837, 22540), (10143, 21860), (10930, 20286), (11270, 19674), (13116, 16905), (13524, 16395), (14490, 15302)]