38412920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 108743040

約数和(自身を除く): 70330120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 61, 65, 70, 91, 104, 122, 130, 140, 173, 182, 244, 260, 280, 305, 346, 364, 427, 455, 488, 520, 610, 692, 728, 793, 854, 865, 910, 1211, 1220, 1384, 1586, 1708, 1730, 1820, 2135, 2249, 2422, 2440, 3172, 3416, 3460, 3640, 3965, 4270, 4498, 4844, 5551, 6055, 6344, 6920, 7930, 8540, 8996, 9688, 10553, 11102, 11245, 12110, 15743, 15860, 17080, 17992, 21106, 22204, 22490, 24220, 27755, 31486, 31720, 42212, 44408, 44980, 48440, 52765, 55510, 62972, 73871, 78715, 84424, 89960, 105530, 111020, 125944, 137189, 147742, 157430, 211060, 222040, 274378, 295484, 314860, 369355, 422120, 548756, 590968, 629720, 685945, 738710, 960323, 1097512, 1371890, 1477420, 1920646, 2743780, 2954840, 3841292, 4801615, 5487560, 7682584, 9603230, 19206460, 38412920]

約数ペア:

[(1, 38412920), (2, 19206460), (4, 9603230), (5, 7682584), (7, 5487560), (8, 4801615), (10, 3841292), (13, 2954840), (14, 2743780), (20, 1920646), (26, 1477420), (28, 1371890), (35, 1097512), (40, 960323), (52, 738710), (56, 685945), (61, 629720), (65, 590968), (70, 548756), (91, 422120), (104, 369355), (122, 314860), (130, 295484), (140, 274378), (173, 222040), (182, 211060), (244, 157430), (260, 147742), (280, 137189), (305, 125944), (346, 111020), (364, 105530), (427, 89960), (455, 84424), (488, 78715), (520, 73871), (610, 62972), (692, 55510), (728, 52765), (793, 48440), (854, 44980), (865, 44408), (910, 42212), (1211, 31720), (1220, 31486), (1384, 27755), (1586, 24220), (1708, 22490), (1730, 22204), (1820, 21106), (2135, 17992), (2249, 17080), (2422, 15860), (2440, 15743), (3172, 12110), (3416, 11245), (3460, 11102), (3640, 10553), (3965, 9688), (4270, 8996), (4498, 8540), (4844, 7930), (5551, 6920), (6055, 6344)]