4345678420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{1637}}^1$

素因数の和:1897

約数の個数: 96

約数和(自身を含む): 9906624000

約数和(自身を除く): 5560945580

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 92, 115, 116, 145, 199, 230, 290, 398, 460, 580, 667, 796, 995, 1334, 1637, 1990, 2668, 3274, 3335, 3980, 4577, 5771, 6548, 6670, 8185, 9154, 11542, 13340, 16370, 18308, 22885, 23084, 28855, 32740, 37651, 45770, 47473, 57710, 75302, 91540, 94946, 115420, 132733, 150604, 188255, 189892, 237365, 265466, 325763, 376510, 474730, 530932, 651526, 663665, 753020, 949460, 1091879, 1303052, 1327330, 1628815, 2183758, 2654660, 3257630, 4367516, 5459395, 6515260, 7492549, 9447127, 10918790, 14985098, 18894254, 21837580, 29970196, 37462745, 37788508, 47235635, 74925490, 94471270, 149850980, 188942540, 217283921, 434567842, 869135684, 1086419605, 2172839210, 4345678420]

約数ペア:

[(1, 4345678420), (2, 2172839210), (4, 1086419605), (5, 869135684), (10, 434567842), (20, 217283921), (23, 188942540), (29, 149850980), (46, 94471270), (58, 74925490), (92, 47235635), (115, 37788508), (116, 37462745), (145, 29970196), (199, 21837580), (230, 18894254), (290, 14985098), (398, 10918790), (460, 9447127), (580, 7492549), (667, 6515260), (796, 5459395), (995, 4367516), (1334, 3257630), (1637, 2654660), (1990, 2183758), (2668, 1628815), (3274, 1327330), (3335, 1303052), (3980, 1091879), (4577, 949460), (5771, 753020), (6548, 663665), (6670, 651526), (8185, 530932), (9154, 474730), (11542, 376510), (13340, 325763), (16370, 265466), (18308, 237365), (22885, 189892), (23084, 188255), (28855, 150604), (32740, 132733), (37651, 115420), (45770, 94946), (47473, 91540), (57710, 75302)]