212915840

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6277}}^1$

素因数の和:6349

約数の個数: 64

約数和(自身を含む): 518688360

約数和(自身を除く): 305772520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 640, 848, 1060, 1696, 2120, 3392, 4240, 6277, 6784, 8480, 12554, 16960, 25108, 31385, 33920, 50216, 62770, 100432, 125540, 200864, 251080, 332681, 401728, 502160, 665362, 803456, 1004320, 1330724, 1663405, 2008640, 2661448, 3326810, 4017280, 5322896, 6653620, 10645792, 13307240, 21291584, 26614480, 42583168, 53228960, 106457920, 212915840]

約数ペア:

[(1, 212915840), (2, 106457920), (4, 53228960), (5, 42583168), (8, 26614480), (10, 21291584), (16, 13307240), (20, 10645792), (32, 6653620), (40, 5322896), (53, 4017280), (64, 3326810), (80, 2661448), (106, 2008640), (128, 1663405), (160, 1330724), (212, 1004320), (265, 803456), (320, 665362), (424, 502160), (530, 401728), (640, 332681), (848, 251080), (1060, 200864), (1696, 125540), (2120, 100432), (3392, 62770), (4240, 50216), (6277, 33920), (6784, 31385), (8480, 25108), (12554, 16960)]