17464580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 43436736

約数和(自身を除く): 25972156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 251, 284, 355, 490, 497, 502, 710, 980, 994, 1004, 1255, 1420, 1757, 1988, 2485, 2510, 3479, 3514, 4970, 5020, 6958, 7028, 8785, 9940, 12299, 13916, 17395, 17570, 17821, 24598, 34790, 35140, 35642, 49196, 61495, 69580, 71284, 89105, 122990, 124747, 178210, 245980, 249494, 356420, 498988, 623735, 873229, 1247470, 1746458, 2494940, 3492916, 4366145, 8732290, 17464580]

約数ペア:

[(1, 17464580), (2, 8732290), (4, 4366145), (5, 3492916), (7, 2494940), (10, 1746458), (14, 1247470), (20, 873229), (28, 623735), (35, 498988), (49, 356420), (70, 249494), (71, 245980), (98, 178210), (140, 124747), (142, 122990), (196, 89105), (245, 71284), (251, 69580), (284, 61495), (355, 49196), (490, 35642), (497, 35140), (502, 34790), (710, 24598), (980, 17821), (994, 17570), (1004, 17395), (1255, 13916), (1420, 12299), (1757, 9940), (1988, 8785), (2485, 7028), (2510, 6958), (3479, 5020), (3514, 4970)]