28639600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:335

約数の個数: 120

約数和(自身を含む): 78602112

約数和(自身を除く): 49962512

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 25, 40, 44, 46, 50, 55, 80, 88, 92, 100, 110, 115, 176, 184, 200, 220, 230, 253, 275, 283, 368, 400, 440, 460, 506, 550, 566, 575, 880, 920, 1012, 1100, 1132, 1150, 1265, 1415, 1840, 2024, 2200, 2264, 2300, 2530, 2830, 3113, 4048, 4400, 4528, 4600, 5060, 5660, 6226, 6325, 6509, 7075, 9200, 10120, 11320, 12452, 12650, 13018, 14150, 15565, 20240, 22640, 24904, 25300, 26036, 28300, 31130, 32545, 49808, 50600, 52072, 56600, 62260, 65090, 71599, 77825, 101200, 104144, 113200, 124520, 130180, 143198, 155650, 162725, 249040, 260360, 286396, 311300, 325450, 357995, 520720, 572792, 622600, 650900, 715990, 1145584, 1245200, 1301800, 1431980, 1789975, 2603600, 2863960, 3579950, 5727920, 7159900, 14319800, 28639600]

約数ペア:

[(1, 28639600), (2, 14319800), (4, 7159900), (5, 5727920), (8, 3579950), (10, 2863960), (11, 2603600), (16, 1789975), (20, 1431980), (22, 1301800), (23, 1245200), (25, 1145584), (40, 715990), (44, 650900), (46, 622600), (50, 572792), (55, 520720), (80, 357995), (88, 325450), (92, 311300), (100, 286396), (110, 260360), (115, 249040), (176, 162725), (184, 155650), (200, 143198), (220, 130180), (230, 124520), (253, 113200), (275, 104144), (283, 101200), (368, 77825), (400, 71599), (440, 65090), (460, 62260), (506, 56600), (550, 52072), (566, 50600), (575, 49808), (880, 32545), (920, 31130), (1012, 28300), (1100, 26036), (1132, 25300), (1150, 24904), (1265, 22640), (1415, 20240), (1840, 15565), (2024, 14150), (2200, 13018), (2264, 12650), (2300, 12452), (2530, 11320), (2830, 10120), (3113, 9200), (4048, 7075), (4400, 6509), (4528, 6325), (4600, 6226), (5060, 5660)]