1803809080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{547}}^1\times {\mathrm{4339}}^1$

素因数の和:4916

約数の個数: 64

約数和(自身を含む): 4280976000

約数和(自身を除く): 2477166920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 547, 760, 1094, 2188, 2735, 4339, 4376, 5470, 8678, 10393, 10940, 17356, 20786, 21695, 21880, 34712, 41572, 43390, 51965, 82441, 83144, 86780, 103930, 164882, 173560, 207860, 329764, 412205, 415720, 659528, 824410, 1648820, 2373433, 3297640, 4746866, 9493732, 11867165, 18987464, 23734330, 45095227, 47468660, 90190454, 94937320, 180380908, 225476135, 360761816, 450952270, 901904540, 1803809080]

約数ペア:

[(1, 1803809080), (2, 901904540), (4, 450952270), (5, 360761816), (8, 225476135), (10, 180380908), (19, 94937320), (20, 90190454), (38, 47468660), (40, 45095227), (76, 23734330), (95, 18987464), (152, 11867165), (190, 9493732), (380, 4746866), (547, 3297640), (760, 2373433), (1094, 1648820), (2188, 824410), (2735, 659528), (4339, 415720), (4376, 412205), (5470, 329764), (8678, 207860), (10393, 173560), (10940, 164882), (17356, 103930), (20786, 86780), (21695, 83144), (21880, 82441), (34712, 51965), (41572, 43390)]