209645920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5179}}^1$

素因数の和:5228

約数の個数: 96

約数和(自身を含む): 563915520

約数和(自身を除く): 354269600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 80, 88, 92, 110, 115, 160, 176, 184, 220, 230, 253, 352, 368, 440, 460, 506, 736, 880, 920, 1012, 1265, 1760, 1840, 2024, 2530, 3680, 4048, 5060, 5179, 8096, 10120, 10358, 20240, 20716, 25895, 40480, 41432, 51790, 56969, 82864, 103580, 113938, 119117, 165728, 207160, 227876, 238234, 284845, 414320, 455752, 476468, 569690, 595585, 828640, 911504, 952936, 1139380, 1191170, 1310287, 1823008, 1905872, 2278760, 2382340, 2620574, 3811744, 4557520, 4764680, 5241148, 6551435, 9115040, 9529360, 10482296, 13102870, 19058720, 20964592, 26205740, 41929184, 52411480, 104822960, 209645920]

約数ペア:

[(1, 209645920), (2, 104822960), (4, 52411480), (5, 41929184), (8, 26205740), (10, 20964592), (11, 19058720), (16, 13102870), (20, 10482296), (22, 9529360), (23, 9115040), (32, 6551435), (40, 5241148), (44, 4764680), (46, 4557520), (55, 3811744), (80, 2620574), (88, 2382340), (92, 2278760), (110, 1905872), (115, 1823008), (160, 1310287), (176, 1191170), (184, 1139380), (220, 952936), (230, 911504), (253, 828640), (352, 595585), (368, 569690), (440, 476468), (460, 455752), (506, 414320), (736, 284845), (880, 238234), (920, 227876), (1012, 207160), (1265, 165728), (1760, 119117), (1840, 113938), (2024, 103580), (2530, 82864), (3680, 56969), (4048, 51790), (5060, 41432), (5179, 40480), (8096, 25895), (10120, 20716), (10358, 20240)]