287484680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{14461}}^1$

素因数の和:14550

約数の個数: 64

約数和(自身を含む): 749710080

約数和(自身を除く): 462225400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 9940, 14461, 19880, 28922, 57844, 72305, 101227, 115688, 144610, 202454, 289220, 404908, 506135, 578440, 809816, 1012270, 1026731, 2024540, 2053462, 4049080, 4106924, 5133655, 7187117, 8213848, 10267310, 14374234, 20534620, 28748468, 35935585, 41069240, 57496936, 71871170, 143742340, 287484680]

約数ペア:

[(1, 287484680), (2, 143742340), (4, 71871170), (5, 57496936), (7, 41069240), (8, 35935585), (10, 28748468), (14, 20534620), (20, 14374234), (28, 10267310), (35, 8213848), (40, 7187117), (56, 5133655), (70, 4106924), (71, 4049080), (140, 2053462), (142, 2024540), (280, 1026731), (284, 1012270), (355, 809816), (497, 578440), (568, 506135), (710, 404908), (994, 289220), (1420, 202454), (1988, 144610), (2485, 115688), (2840, 101227), (3976, 72305), (4970, 57844), (9940, 28922), (14461, 19880)]