210320740

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:127

約数の個数: 192

約数和(自身を含む): 567705600

約数和(自身を除く): 357384860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 31, 35, 43, 46, 49, 62, 70, 86, 92, 98, 115, 124, 140, 155, 161, 172, 196, 215, 217, 230, 245, 301, 310, 322, 343, 430, 434, 460, 490, 602, 620, 644, 686, 713, 805, 860, 868, 980, 989, 1085, 1127, 1204, 1333, 1372, 1426, 1505, 1519, 1610, 1715, 1978, 2107, 2170, 2254, 2666, 2852, 3010, 3038, 3220, 3430, 3565, 3956, 4214, 4340, 4508, 4945, 4991, 5332, 5635, 6020, 6076, 6665, 6860, 6923, 7130, 7595, 7889, 8428, 9331, 9890, 9982, 10535, 10633, 11270, 13330, 13846, 14260, 14749, 15190, 15778, 18662, 19780, 19964, 21070, 21266, 22540, 24955, 26660, 27692, 29498, 30380, 30659, 31556, 34615, 34937, 37324, 39445, 42140, 42532, 46655, 48461, 49910, 53165, 58996, 61318, 65317, 69230, 69874, 73745, 78890, 93310, 96922, 99820, 106330, 122636, 130634, 138460, 139748, 147490, 153295, 157780, 174685, 186620, 193844, 212660, 214613, 242305, 244559, 261268, 294980, 306590, 326585, 339227, 349370, 429226, 457219, 484610, 489118, 613180, 653170, 678454, 698740, 858452, 914438, 969220, 978236, 1073065, 1222795, 1306340, 1356908, 1502291, 1696135, 1828876, 2146130, 2286095, 2445590, 3004582, 3392270, 4292260, 4572190, 4891180, 6009164, 6784540, 7511455, 9144380, 10516037, 15022910, 21032074, 30045820, 42064148, 52580185, 105160370, 210320740]

約数ペア:

[(1, 210320740), (2, 105160370), (4, 52580185), (5, 42064148), (7, 30045820), (10, 21032074), (14, 15022910), (20, 10516037), (23, 9144380), (28, 7511455), (31, 6784540), (35, 6009164), (43, 4891180), (46, 4572190), (49, 4292260), (62, 3392270), (70, 3004582), (86, 2445590), (92, 2286095), (98, 2146130), (115, 1828876), (124, 1696135), (140, 1502291), (155, 1356908), (161, 1306340), (172, 1222795), (196, 1073065), (215, 978236), (217, 969220), (230, 914438), (245, 858452), (301, 698740), (310, 678454), (322, 653170), (343, 613180), (430, 489118), (434, 484610), (460, 457219), (490, 429226), (602, 349370), (620, 339227), (644, 326585), (686, 306590), (713, 294980), (805, 261268), (860, 244559), (868, 242305), (980, 214613), (989, 212660), (1085, 193844), (1127, 186620), (1204, 174685), (1333, 157780), (1372, 153295), (1426, 147490), (1505, 139748), (1519, 138460), (1610, 130634), (1715, 122636), (1978, 106330), (2107, 99820), (2170, 96922), (2254, 93310), (2666, 78890), (2852, 73745), (3010, 69874), (3038, 69230), (3220, 65317), (3430, 61318), (3565, 58996), (3956, 53165), (4214, 49910), (4340, 48461), (4508, 46655), (4945, 42532), (4991, 42140), (5332, 39445), (5635, 37324), (6020, 34937), (6076, 34615), (6665, 31556), (6860, 30659), (6923, 30380), (7130, 29498), (7595, 27692), (7889, 26660), (8428, 24955), (9331, 22540), (9890, 21266), (9982, 21070), (10535, 19964), (10633, 19780), (11270, 18662), (13330, 15778), (13846, 15190), (14260, 14749)]