28409340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 83349504

約数和(自身を除く): 54940164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 67, 74, 111, 134, 148, 185, 191, 201, 222, 268, 335, 370, 382, 402, 444, 555, 573, 670, 740, 764, 804, 955, 1005, 1110, 1146, 1340, 1910, 2010, 2220, 2292, 2479, 2865, 3820, 4020, 4958, 5730, 7067, 7437, 9916, 11460, 12395, 12797, 14134, 14874, 21201, 24790, 25594, 28268, 29748, 35335, 37185, 38391, 42402, 49580, 51188, 63985, 70670, 74370, 76782, 84804, 106005, 127970, 141340, 148740, 153564, 191955, 212010, 255940, 383910, 424020, 473489, 767820, 946978, 1420467, 1893956, 2367445, 2840934, 4734890, 5681868, 7102335, 9469780, 14204670, 28409340]

約数ペア:

[(1, 28409340), (2, 14204670), (3, 9469780), (4, 7102335), (5, 5681868), (6, 4734890), (10, 2840934), (12, 2367445), (15, 1893956), (20, 1420467), (30, 946978), (37, 767820), (60, 473489), (67, 424020), (74, 383910), (111, 255940), (134, 212010), (148, 191955), (185, 153564), (191, 148740), (201, 141340), (222, 127970), (268, 106005), (335, 84804), (370, 76782), (382, 74370), (402, 70670), (444, 63985), (555, 51188), (573, 49580), (670, 42402), (740, 38391), (764, 37185), (804, 35335), (955, 29748), (1005, 28268), (1110, 25594), (1146, 24790), (1340, 21201), (1910, 14874), (2010, 14134), (2220, 12797), (2292, 12395), (2479, 11460), (2865, 9916), (3820, 7437), (4020, 7067), (4958, 5730)]