28463120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:217

約数の個数: 120

約数和(自身を含む): 79006104

約数和(自身を除く): 50542984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 53, 56, 70, 80, 98, 106, 112, 137, 140, 196, 212, 245, 265, 274, 280, 371, 392, 424, 490, 530, 548, 560, 685, 742, 784, 848, 959, 980, 1060, 1096, 1370, 1484, 1855, 1918, 1960, 2120, 2192, 2597, 2740, 2968, 3710, 3836, 3920, 4240, 4795, 5194, 5480, 5936, 6713, 7261, 7420, 7672, 9590, 10388, 10960, 12985, 13426, 14522, 14840, 15344, 19180, 20776, 25970, 26852, 29044, 29680, 33565, 36305, 38360, 41552, 50827, 51940, 53704, 58088, 67130, 72610, 76720, 101654, 103880, 107408, 116176, 134260, 145220, 203308, 207760, 254135, 268520, 290440, 355789, 406616, 508270, 537040, 580880, 711578, 813232, 1016540, 1423156, 1778945, 2033080, 2846312, 3557890, 4066160, 5692624, 7115780, 14231560, 28463120]

約数ペア:

[(1, 28463120), (2, 14231560), (4, 7115780), (5, 5692624), (7, 4066160), (8, 3557890), (10, 2846312), (14, 2033080), (16, 1778945), (20, 1423156), (28, 1016540), (35, 813232), (40, 711578), (49, 580880), (53, 537040), (56, 508270), (70, 406616), (80, 355789), (98, 290440), (106, 268520), (112, 254135), (137, 207760), (140, 203308), (196, 145220), (212, 134260), (245, 116176), (265, 107408), (274, 103880), (280, 101654), (371, 76720), (392, 72610), (424, 67130), (490, 58088), (530, 53704), (548, 51940), (560, 50827), (685, 41552), (742, 38360), (784, 36305), (848, 33565), (959, 29680), (980, 29044), (1060, 26852), (1096, 25970), (1370, 20776), (1484, 19180), (1855, 15344), (1918, 14840), (1960, 14522), (2120, 13426), (2192, 12985), (2597, 10960), (2740, 10388), (2968, 9590), (3710, 7672), (3836, 7420), (3920, 7261), (4240, 6713), (4795, 5936), (5194, 5480)]