238025840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13463}}^1$

素因数の和:13506

約数の個数: 80

約数和(自身を含む): 631084608

約数和(自身を除く): 393058768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 8840, 13463, 17680, 26926, 53852, 67315, 107704, 134630, 175019, 215408, 228871, 269260, 350038, 457742, 538520, 700076, 875095, 915484, 1077040, 1144355, 1400152, 1750190, 1830968, 2288710, 2800304, 2975323, 3500380, 3661936, 4577420, 5950646, 7000760, 9154840, 11901292, 14001520, 14876615, 18309680, 23802584, 29753230, 47605168, 59506460, 119012920, 238025840]

約数ペア:

[(1, 238025840), (2, 119012920), (4, 59506460), (5, 47605168), (8, 29753230), (10, 23802584), (13, 18309680), (16, 14876615), (17, 14001520), (20, 11901292), (26, 9154840), (34, 7000760), (40, 5950646), (52, 4577420), (65, 3661936), (68, 3500380), (80, 2975323), (85, 2800304), (104, 2288710), (130, 1830968), (136, 1750190), (170, 1400152), (208, 1144355), (221, 1077040), (260, 915484), (272, 875095), (340, 700076), (442, 538520), (520, 457742), (680, 350038), (884, 269260), (1040, 228871), (1105, 215408), (1360, 175019), (1768, 134630), (2210, 107704), (3536, 67315), (4420, 53852), (8840, 26926), (13463, 17680)]