421175560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{5827}}^1$

素因数の和:5990

約数の個数: 64

約数和(自身を含む): 1028059200

約数和(自身を除く): 606883640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 139, 260, 278, 520, 556, 695, 1112, 1390, 1807, 2780, 3614, 5560, 5827, 7228, 9035, 11654, 14456, 18070, 23308, 29135, 36140, 46616, 58270, 72280, 75751, 116540, 151502, 233080, 303004, 378755, 606008, 757510, 809953, 1515020, 1619906, 3030040, 3239812, 4049765, 6479624, 8099530, 10529389, 16199060, 21058778, 32398120, 42117556, 52646945, 84235112, 105293890, 210587780, 421175560]

約数ペア:

[(1, 421175560), (2, 210587780), (4, 105293890), (5, 84235112), (8, 52646945), (10, 42117556), (13, 32398120), (20, 21058778), (26, 16199060), (40, 10529389), (52, 8099530), (65, 6479624), (104, 4049765), (130, 3239812), (139, 3030040), (260, 1619906), (278, 1515020), (520, 809953), (556, 757510), (695, 606008), (1112, 378755), (1390, 303004), (1807, 233080), (2780, 151502), (3614, 116540), (5560, 75751), (5827, 72280), (7228, 58270), (9035, 46616), (11654, 36140), (14456, 29135), (18070, 23308)]