209345836

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 442411200

約数和(自身を除く): 233065364

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 109, 164, 196, 218, 239, 287, 436, 478, 574, 763, 956, 1148, 1526, 1673, 2009, 3052, 3346, 4018, 4469, 5341, 6692, 8036, 8938, 9799, 10682, 11711, 17876, 19598, 21364, 23422, 26051, 31283, 39196, 46844, 52102, 62566, 68593, 104204, 125132, 137186, 182357, 218981, 274372, 364714, 437962, 480151, 729428, 875924, 960302, 1068091, 1276499, 1920604, 2136182, 2552998, 4272364, 5105996, 7476637, 14953274, 29906548, 52336459, 104672918, 209345836]

約数ペア:

[(1, 209345836), (2, 104672918), (4, 52336459), (7, 29906548), (14, 14953274), (28, 7476637), (41, 5105996), (49, 4272364), (82, 2552998), (98, 2136182), (109, 1920604), (164, 1276499), (196, 1068091), (218, 960302), (239, 875924), (287, 729428), (436, 480151), (478, 437962), (574, 364714), (763, 274372), (956, 218981), (1148, 182357), (1526, 137186), (1673, 125132), (2009, 104204), (3052, 68593), (3346, 62566), (4018, 52102), (4469, 46844), (5341, 39196), (6692, 31283), (8036, 26051), (8938, 23422), (9799, 21364), (10682, 19598), (11711, 17876)]