28315140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{9631}}^1$

素因数の和:9657

約数の個数: 72

約数和(自身を含む): 92236032

約数和(自身を除く): 63920892

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 9631, 19262, 28893, 38524, 48155, 57786, 67417, 96310, 115572, 134834, 144465, 192620, 202251, 269668, 288930, 337085, 404502, 471919, 577860, 674170, 809004, 943838, 1011255, 1348340, 1415757, 1887676, 2022510, 2359595, 2831514, 4045020, 4719190, 5663028, 7078785, 9438380, 14157570, 28315140]

約数ペア:

[(1, 28315140), (2, 14157570), (3, 9438380), (4, 7078785), (5, 5663028), (6, 4719190), (7, 4045020), (10, 2831514), (12, 2359595), (14, 2022510), (15, 1887676), (20, 1415757), (21, 1348340), (28, 1011255), (30, 943838), (35, 809004), (42, 674170), (49, 577860), (60, 471919), (70, 404502), (84, 337085), (98, 288930), (105, 269668), (140, 202251), (147, 192620), (196, 144465), (210, 134834), (245, 115572), (294, 96310), (420, 67417), (490, 57786), (588, 48155), (735, 38524), (980, 28893), (1470, 19262), (2940, 9631)]