21515677750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{1489}}^1$

素因数の和:1895

約数の個数: 128

約数和(自身を含む): 48198758400

約数和(自身を除く): 26683080650

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 50, 70, 115, 125, 161, 175, 230, 250, 322, 350, 359, 575, 718, 805, 875, 1150, 1489, 1610, 1750, 1795, 2513, 2875, 2978, 3590, 4025, 5026, 5750, 7445, 8050, 8257, 8975, 10423, 12565, 14890, 16514, 17950, 20125, 20846, 25130, 34247, 37225, 40250, 41285, 44875, 52115, 57799, 62825, 68494, 74450, 82570, 89750, 104230, 115598, 125650, 171235, 186125, 206425, 239729, 260575, 288995, 314125, 342470, 372250, 412850, 479458, 521150, 534551, 577990, 628250, 856175, 1032125, 1069102, 1198645, 1302875, 1444975, 1712350, 2064250, 2397290, 2605750, 2672755, 2889950, 3741857, 4280875, 5345510, 5993225, 7224875, 7483714, 8561750, 11986450, 12294673, 13363775, 14449750, 18709285, 24589346, 26727550, 29966125, 37418570, 59932250, 61473365, 66818875, 86062711, 93546425, 122946730, 133637750, 172125422, 187092850, 307366825, 430313555, 467732125, 614733650, 860627110, 935464250, 1536834125, 2151567775, 3073668250, 4303135550, 10757838875, 21515677750]

約数ペア:

[(1, 21515677750), (2, 10757838875), (5, 4303135550), (7, 3073668250), (10, 2151567775), (14, 1536834125), (23, 935464250), (25, 860627110), (35, 614733650), (46, 467732125), (50, 430313555), (70, 307366825), (115, 187092850), (125, 172125422), (161, 133637750), (175, 122946730), (230, 93546425), (250, 86062711), (322, 66818875), (350, 61473365), (359, 59932250), (575, 37418570), (718, 29966125), (805, 26727550), (875, 24589346), (1150, 18709285), (1489, 14449750), (1610, 13363775), (1750, 12294673), (1795, 11986450), (2513, 8561750), (2875, 7483714), (2978, 7224875), (3590, 5993225), (4025, 5345510), (5026, 4280875), (5750, 3741857), (7445, 2889950), (8050, 2672755), (8257, 2605750), (8975, 2397290), (10423, 2064250), (12565, 1712350), (14890, 1444975), (16514, 1302875), (17950, 1198645), (20125, 1069102), (20846, 1032125), (25130, 856175), (34247, 628250), (37225, 577990), (40250, 534551), (41285, 521150), (44875, 479458), (52115, 412850), (57799, 372250), (62825, 342470), (68494, 314125), (74450, 288995), (82570, 260575), (89750, 239729), (104230, 206425), (115598, 186125), (125650, 171235)]