90391700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{929}}^1$

素因数の和:1089

約数の個数: 72

約数和(自身を含む): 226027200

約数和(自身を除く): 135635500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 139, 140, 175, 278, 350, 556, 695, 700, 929, 973, 1390, 1858, 1946, 2780, 3475, 3716, 3892, 4645, 4865, 6503, 6950, 9290, 9730, 13006, 13900, 18580, 19460, 23225, 24325, 26012, 32515, 46450, 48650, 65030, 92900, 97300, 129131, 130060, 162575, 258262, 325150, 516524, 645655, 650300, 903917, 1291310, 1807834, 2582620, 3228275, 3615668, 4519585, 6456550, 9039170, 12913100, 18078340, 22597925, 45195850, 90391700]

約数ペア:

[(1, 90391700), (2, 45195850), (4, 22597925), (5, 18078340), (7, 12913100), (10, 9039170), (14, 6456550), (20, 4519585), (25, 3615668), (28, 3228275), (35, 2582620), (50, 1807834), (70, 1291310), (100, 903917), (139, 650300), (140, 645655), (175, 516524), (278, 325150), (350, 258262), (556, 162575), (695, 130060), (700, 129131), (929, 97300), (973, 92900), (1390, 65030), (1858, 48650), (1946, 46450), (2780, 32515), (3475, 26012), (3716, 24325), (3892, 23225), (4645, 19460), (4865, 18580), (6503, 13900), (6950, 13006), (9290, 9730)]