540989900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{21383}}^1$

素因数の和:21431

約数の個数: 72

約数和(自身を含む): 1336414464

約数和(自身を除く): 795424564

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, 1150, 1265, 2300, 2530, 5060, 6325, 12650, 21383, 25300, 42766, 85532, 106915, 213830, 235213, 427660, 470426, 491809, 534575, 940852, 983618, 1069150, 1176065, 1967236, 2138300, 2352130, 2459045, 4704260, 4918090, 5409899, 5880325, 9836180, 10819798, 11760650, 12295225, 21639596, 23521300, 24590450, 27049495, 49180900, 54098990, 108197980, 135247475, 270494950, 540989900]

約数ペア:

[(1, 540989900), (2, 270494950), (4, 135247475), (5, 108197980), (10, 54098990), (11, 49180900), (20, 27049495), (22, 24590450), (23, 23521300), (25, 21639596), (44, 12295225), (46, 11760650), (50, 10819798), (55, 9836180), (92, 5880325), (100, 5409899), (110, 4918090), (115, 4704260), (220, 2459045), (230, 2352130), (253, 2138300), (275, 1967236), (460, 1176065), (506, 1069150), (550, 983618), (575, 940852), (1012, 534575), (1100, 491809), (1150, 470426), (1265, 427660), (2300, 235213), (2530, 213830), (5060, 106915), (6325, 85532), (12650, 42766), (21383, 25300)]