42890680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 114091200

約数和(自身を除く): 71200520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 79, 98, 140, 158, 196, 245, 277, 280, 316, 392, 395, 490, 553, 554, 632, 790, 980, 1106, 1108, 1385, 1580, 1939, 1960, 2212, 2216, 2765, 2770, 3160, 3871, 3878, 4424, 5530, 5540, 7742, 7756, 9695, 11060, 11080, 13573, 15484, 15512, 19355, 19390, 21883, 22120, 27146, 30968, 38710, 38780, 43766, 54292, 67865, 77420, 77560, 87532, 108584, 109415, 135730, 153181, 154840, 175064, 218830, 271460, 306362, 437660, 542920, 612724, 765905, 875320, 1072267, 1225448, 1531810, 2144534, 3063620, 4289068, 5361335, 6127240, 8578136, 10722670, 21445340, 42890680]

約数ペア:

[(1, 42890680), (2, 21445340), (4, 10722670), (5, 8578136), (7, 6127240), (8, 5361335), (10, 4289068), (14, 3063620), (20, 2144534), (28, 1531810), (35, 1225448), (40, 1072267), (49, 875320), (56, 765905), (70, 612724), (79, 542920), (98, 437660), (140, 306362), (158, 271460), (196, 218830), (245, 175064), (277, 154840), (280, 153181), (316, 135730), (392, 109415), (395, 108584), (490, 87532), (553, 77560), (554, 77420), (632, 67865), (790, 54292), (980, 43766), (1106, 38780), (1108, 38710), (1385, 30968), (1580, 27146), (1939, 22120), (1960, 21883), (2212, 19390), (2216, 19355), (2765, 15512), (2770, 15484), (3160, 13573), (3871, 11080), (3878, 11060), (4424, 9695), (5530, 7756), (5540, 7742)]