28414100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1987}}^1$

素因数の和:2025

約数の個数: 72

約数和(自身を含む): 72474528

約数和(自身を除く): 44060428

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 130, 143, 220, 260, 275, 286, 325, 550, 572, 650, 715, 1100, 1300, 1430, 1987, 2860, 3575, 3974, 7150, 7948, 9935, 14300, 19870, 21857, 25831, 39740, 43714, 49675, 51662, 87428, 99350, 103324, 109285, 129155, 198700, 218570, 258310, 284141, 437140, 516620, 546425, 568282, 645775, 1092850, 1136564, 1291550, 1420705, 2185700, 2583100, 2841410, 5682820, 7103525, 14207050, 28414100]

約数ペア:

[(1, 28414100), (2, 14207050), (4, 7103525), (5, 5682820), (10, 2841410), (11, 2583100), (13, 2185700), (20, 1420705), (22, 1291550), (25, 1136564), (26, 1092850), (44, 645775), (50, 568282), (52, 546425), (55, 516620), (65, 437140), (100, 284141), (110, 258310), (130, 218570), (143, 198700), (220, 129155), (260, 109285), (275, 103324), (286, 99350), (325, 87428), (550, 51662), (572, 49675), (650, 43714), (715, 39740), (1100, 25831), (1300, 21857), (1430, 19870), (1987, 14300), (2860, 9935), (3575, 7948), (3974, 7150)]