28260100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1117}}^1$

素因数の和:1165

約数の個数: 72

約数和(自身を含む): 69870528

約数和(自身を除く): 41610428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 92, 100, 110, 115, 220, 230, 253, 275, 460, 506, 550, 575, 1012, 1100, 1117, 1150, 1265, 2234, 2300, 2530, 4468, 5060, 5585, 6325, 11170, 12287, 12650, 22340, 24574, 25300, 25691, 27925, 49148, 51382, 55850, 61435, 102764, 111700, 122870, 128455, 245740, 256910, 282601, 307175, 513820, 565202, 614350, 642275, 1130404, 1228700, 1284550, 1413005, 2569100, 2826010, 5652020, 7065025, 14130050, 28260100]

約数ペア:

[(1, 28260100), (2, 14130050), (4, 7065025), (5, 5652020), (10, 2826010), (11, 2569100), (20, 1413005), (22, 1284550), (23, 1228700), (25, 1130404), (44, 642275), (46, 614350), (50, 565202), (55, 513820), (92, 307175), (100, 282601), (110, 256910), (115, 245740), (220, 128455), (230, 122870), (253, 111700), (275, 102764), (460, 61435), (506, 55850), (550, 51382), (575, 49148), (1012, 27925), (1100, 25691), (1117, 25300), (1150, 24574), (1265, 22340), (2234, 12650), (2300, 12287), (2530, 11170), (4468, 6325), (5060, 5585)]