28153400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:285

約数の個数: 96

約数和(自身を含む): 72852480

約数和(自身を除く): 44699080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 67, 88, 100, 110, 134, 191, 200, 220, 268, 275, 335, 382, 440, 536, 550, 670, 737, 764, 955, 1100, 1340, 1474, 1528, 1675, 1910, 2101, 2200, 2680, 2948, 3350, 3685, 3820, 4202, 4775, 5896, 6700, 7370, 7640, 8404, 9550, 10505, 12797, 13400, 14740, 16808, 18425, 19100, 21010, 25594, 29480, 36850, 38200, 42020, 51188, 52525, 63985, 73700, 84040, 102376, 105050, 127970, 140767, 147400, 210100, 255940, 281534, 319925, 420200, 511880, 563068, 639850, 703835, 1126136, 1279700, 1407670, 2559400, 2815340, 3519175, 5630680, 7038350, 14076700, 28153400]

約数ペア:

[(1, 28153400), (2, 14076700), (4, 7038350), (5, 5630680), (8, 3519175), (10, 2815340), (11, 2559400), (20, 1407670), (22, 1279700), (25, 1126136), (40, 703835), (44, 639850), (50, 563068), (55, 511880), (67, 420200), (88, 319925), (100, 281534), (110, 255940), (134, 210100), (191, 147400), (200, 140767), (220, 127970), (268, 105050), (275, 102376), (335, 84040), (382, 73700), (440, 63985), (536, 52525), (550, 51188), (670, 42020), (737, 38200), (764, 36850), (955, 29480), (1100, 25594), (1340, 21010), (1474, 19100), (1528, 18425), (1675, 16808), (1910, 14740), (2101, 13400), (2200, 12797), (2680, 10505), (2948, 9550), (3350, 8404), (3685, 7640), (3820, 7370), (4202, 6700), (4775, 5896)]