28400190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:234

約数の個数: 128

約数和(自身を含む): 85542912

約数和(自身を除く): 57142722

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 101, 103, 105, 130, 182, 195, 202, 206, 210, 273, 303, 309, 390, 455, 505, 515, 546, 606, 618, 707, 721, 910, 1010, 1030, 1313, 1339, 1365, 1414, 1442, 1515, 1545, 2121, 2163, 2626, 2678, 2730, 3030, 3090, 3535, 3605, 3939, 4017, 4242, 4326, 6565, 6695, 7070, 7210, 7878, 8034, 9191, 9373, 10403, 10605, 10815, 13130, 13390, 18382, 18746, 19695, 20085, 20806, 21210, 21630, 27573, 28119, 31209, 39390, 40170, 45955, 46865, 52015, 55146, 56238, 62418, 72821, 91910, 93730, 104030, 135239, 137865, 140595, 145642, 156045, 218463, 270478, 275730, 281190, 312090, 364105, 405717, 436926, 676195, 728210, 811434, 946673, 1092315, 1352390, 1893346, 2028585, 2184630, 2840019, 4057170, 4733365, 5680038, 9466730, 14200095, 28400190]

約数ペア:

[(1, 28400190), (2, 14200095), (3, 9466730), (5, 5680038), (6, 4733365), (7, 4057170), (10, 2840019), (13, 2184630), (14, 2028585), (15, 1893346), (21, 1352390), (26, 1092315), (30, 946673), (35, 811434), (39, 728210), (42, 676195), (65, 436926), (70, 405717), (78, 364105), (91, 312090), (101, 281190), (103, 275730), (105, 270478), (130, 218463), (182, 156045), (195, 145642), (202, 140595), (206, 137865), (210, 135239), (273, 104030), (303, 93730), (309, 91910), (390, 72821), (455, 62418), (505, 56238), (515, 55146), (546, 52015), (606, 46865), (618, 45955), (707, 40170), (721, 39390), (910, 31209), (1010, 28119), (1030, 27573), (1313, 21630), (1339, 21210), (1365, 20806), (1414, 20085), (1442, 19695), (1515, 18746), (1545, 18382), (2121, 13390), (2163, 13130), (2626, 10815), (2678, 10605), (2730, 10403), (3030, 9373), (3090, 9191), (3535, 8034), (3605, 7878), (3939, 7210), (4017, 7070), (4242, 6695), (4326, 6565)]