1385430920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{653}}^1$

素因数の和:783

約数の個数: 128

約数和(自身を含む): 3390336000

約数和(自身を除く): 2004905080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 59, 62, 116, 118, 124, 145, 155, 232, 236, 248, 290, 295, 310, 472, 580, 590, 620, 653, 899, 1160, 1180, 1240, 1306, 1711, 1798, 1829, 2360, 2612, 3265, 3422, 3596, 3658, 4495, 5224, 6530, 6844, 7192, 7316, 8555, 8990, 9145, 13060, 13688, 14632, 17110, 17980, 18290, 18937, 20243, 26120, 34220, 35960, 36580, 37874, 38527, 40486, 53041, 68440, 73160, 75748, 77054, 80972, 94685, 101215, 106082, 151496, 154108, 161944, 189370, 192635, 202430, 212164, 265205, 308216, 378740, 385270, 404860, 424328, 530410, 587047, 757480, 770540, 809720, 1060820, 1117283, 1174094, 1194337, 1541080, 2121640, 2234566, 2348188, 2388674, 2935235, 4469132, 4696376, 4777348, 5586415, 5870470, 5971685, 8938264, 9554696, 11172830, 11740940, 11943370, 22345660, 23481880, 23886740, 34635773, 44691320, 47773480, 69271546, 138543092, 173178865, 277086184, 346357730, 692715460, 1385430920]

約数ペア:

[(1, 1385430920), (2, 692715460), (4, 346357730), (5, 277086184), (8, 173178865), (10, 138543092), (20, 69271546), (29, 47773480), (31, 44691320), (40, 34635773), (58, 23886740), (59, 23481880), (62, 22345660), (116, 11943370), (118, 11740940), (124, 11172830), (145, 9554696), (155, 8938264), (232, 5971685), (236, 5870470), (248, 5586415), (290, 4777348), (295, 4696376), (310, 4469132), (472, 2935235), (580, 2388674), (590, 2348188), (620, 2234566), (653, 2121640), (899, 1541080), (1160, 1194337), (1180, 1174094), (1240, 1117283), (1306, 1060820), (1711, 809720), (1798, 770540), (1829, 757480), (2360, 587047), (2612, 530410), (3265, 424328), (3422, 404860), (3596, 385270), (3658, 378740), (4495, 308216), (5224, 265205), (6530, 212164), (6844, 202430), (7192, 192635), (7316, 189370), (8555, 161944), (8990, 154108), (9145, 151496), (13060, 106082), (13688, 101215), (14632, 94685), (17110, 80972), (17980, 77054), (18290, 75748), (18937, 73160), (20243, 68440), (26120, 53041), (34220, 40486), (35960, 38527), (36580, 37874)]