209907510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:294

約数の個数: 128

約数和(自身を含む): 553512960

約数和(自身を除く): 343605450

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 31, 43, 58, 62, 86, 87, 93, 129, 145, 155, 174, 181, 186, 215, 258, 290, 310, 362, 430, 435, 465, 543, 645, 870, 899, 905, 930, 1086, 1247, 1290, 1333, 1798, 1810, 2494, 2666, 2697, 2715, 3741, 3999, 4495, 5249, 5394, 5430, 5611, 6235, 6665, 7482, 7783, 7998, 8990, 10498, 11222, 12470, 13330, 13485, 15566, 15747, 16833, 18705, 19995, 23349, 26245, 26970, 28055, 31494, 33666, 37410, 38657, 38915, 39990, 46698, 52490, 56110, 77314, 77830, 78735, 84165, 115971, 116745, 157470, 162719, 168330, 193285, 225707, 231942, 233490, 241273, 325438, 386570, 451414, 482546, 488157, 579855, 677121, 723819, 813595, 976314, 1128535, 1159710, 1206365, 1354242, 1447638, 1627190, 2257070, 2412730, 2440785, 3385605, 3619095, 4881570, 6771210, 6996917, 7238190, 13993834, 20990751, 34984585, 41981502, 69969170, 104953755, 209907510]

約数ペア:

[(1, 209907510), (2, 104953755), (3, 69969170), (5, 41981502), (6, 34984585), (10, 20990751), (15, 13993834), (29, 7238190), (30, 6996917), (31, 6771210), (43, 4881570), (58, 3619095), (62, 3385605), (86, 2440785), (87, 2412730), (93, 2257070), (129, 1627190), (145, 1447638), (155, 1354242), (174, 1206365), (181, 1159710), (186, 1128535), (215, 976314), (258, 813595), (290, 723819), (310, 677121), (362, 579855), (430, 488157), (435, 482546), (465, 451414), (543, 386570), (645, 325438), (870, 241273), (899, 233490), (905, 231942), (930, 225707), (1086, 193285), (1247, 168330), (1290, 162719), (1333, 157470), (1798, 116745), (1810, 115971), (2494, 84165), (2666, 78735), (2697, 77830), (2715, 77314), (3741, 56110), (3999, 52490), (4495, 46698), (5249, 39990), (5394, 38915), (5430, 38657), (5611, 37410), (6235, 33666), (6665, 31494), (7482, 28055), (7783, 26970), (7998, 26245), (8990, 23349), (10498, 19995), (11222, 18705), (12470, 16833), (13330, 15747), (13485, 15566)]