385451640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{21851}}^1$

素因数の和:21882

約数の個数: 144

約数和(自身を含む): 1457309880

約数和(自身を除く): 1071858240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 17640, 21851, 43702, 65553, 87404, 109255, 131106, 152957, 174808, 196659, 218510, 262212, 305914, 327765, 393318, 437020, 458871, 524424, 611828, 655530, 764785, 786636, 874040, 917742, 983295, 1070699, 1223656, 1311060, 1376613, 1529570, 1573272, 1835484, 1966590, 2141398, 2294355, 2622120, 2753226, 3059140, 3212097, 3670968, 3933180, 4282796, 4588710, 5353495, 5506452, 6118280, 6424194, 6883065, 7866360, 8565592, 9177420, 9636291, 10706990, 11012904, 12848388, 13766130, 16060485, 18354840, 19272582, 21413980, 25696776, 27532260, 32120970, 38545164, 42827960, 48181455, 55064520, 64241940, 77090328, 96362910, 128483880, 192725820, 385451640]

約数ペア:

[(1, 385451640), (2, 192725820), (3, 128483880), (4, 96362910), (5, 77090328), (6, 64241940), (7, 55064520), (8, 48181455), (9, 42827960), (10, 38545164), (12, 32120970), (14, 27532260), (15, 25696776), (18, 21413980), (20, 19272582), (21, 18354840), (24, 16060485), (28, 13766130), (30, 12848388), (35, 11012904), (36, 10706990), (40, 9636291), (42, 9177420), (45, 8565592), (49, 7866360), (56, 6883065), (60, 6424194), (63, 6118280), (70, 5506452), (72, 5353495), (84, 4588710), (90, 4282796), (98, 3933180), (105, 3670968), (120, 3212097), (126, 3059140), (140, 2753226), (147, 2622120), (168, 2294355), (180, 2141398), (196, 1966590), (210, 1835484), (245, 1573272), (252, 1529570), (280, 1376613), (294, 1311060), (315, 1223656), (360, 1070699), (392, 983295), (420, 917742), (441, 874040), (490, 786636), (504, 764785), (588, 655530), (630, 611828), (735, 524424), (840, 458871), (882, 437020), (980, 393318), (1176, 327765), (1260, 305914), (1470, 262212), (1764, 218510), (1960, 196659), (2205, 174808), (2520, 152957), (2940, 131106), (3528, 109255), (4410, 87404), (5880, 65553), (8820, 43702), (17640, 21851)]