28509460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6569}}^1$

素因数の和:6616

約数の個数: 48

約数和(自身を含む): 70640640

約数和(自身を除く): 42131180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 6569, 13138, 26276, 32845, 45983, 65690, 91966, 131380, 183932, 203639, 229915, 407278, 459830, 814556, 919660, 1018195, 1425473, 2036390, 2850946, 4072780, 5701892, 7127365, 14254730, 28509460]

約数ペア:

[(1, 28509460), (2, 14254730), (4, 7127365), (5, 5701892), (7, 4072780), (10, 2850946), (14, 2036390), (20, 1425473), (28, 1018195), (31, 919660), (35, 814556), (62, 459830), (70, 407278), (124, 229915), (140, 203639), (155, 183932), (217, 131380), (310, 91966), (434, 65690), (620, 45983), (868, 32845), (1085, 26276), (2170, 13138), (4340, 6569)]