25102170

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{389}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 67392000

約数和(自身を除く): 42289830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 239, 270, 389, 478, 717, 778, 1167, 1195, 1434, 1945, 2151, 2334, 2390, 3501, 3585, 3890, 4302, 5835, 6453, 7002, 7170, 10503, 10755, 11670, 12906, 17505, 21006, 21510, 32265, 35010, 52515, 64530, 92971, 105030, 185942, 278913, 464855, 557826, 836739, 929710, 1394565, 1673478, 2510217, 2789130, 4183695, 5020434, 8367390, 12551085, 25102170]

約数ペア:

[(1, 25102170), (2, 12551085), (3, 8367390), (5, 5020434), (6, 4183695), (9, 2789130), (10, 2510217), (15, 1673478), (18, 1394565), (27, 929710), (30, 836739), (45, 557826), (54, 464855), (90, 278913), (135, 185942), (239, 105030), (270, 92971), (389, 64530), (478, 52515), (717, 35010), (778, 32265), (1167, 21510), (1195, 21006), (1434, 17505), (1945, 12906), (2151, 11670), (2334, 10755), (2390, 10503), (3501, 7170), (3585, 7002), (3890, 6453), (4302, 5835)]