189948820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 438939648

約数和(自身を除く): 248990828

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 83, 85, 106, 127, 166, 170, 212, 254, 265, 332, 340, 415, 508, 530, 635, 830, 901, 1060, 1270, 1411, 1660, 1802, 2159, 2540, 2822, 3604, 4318, 4399, 4505, 5644, 6731, 7055, 8636, 8798, 9010, 10541, 10795, 13462, 14110, 17596, 18020, 21082, 21590, 21995, 26924, 28220, 33655, 42164, 43180, 43990, 52705, 67310, 74783, 87980, 105410, 114427, 134620, 149566, 179197, 210820, 228854, 299132, 358394, 373915, 457708, 558673, 572135, 716788, 747830, 895985, 1117346, 1144270, 1495660, 1791970, 2234692, 2288540, 2793365, 3583940, 5586730, 9497441, 11173460, 18994882, 37989764, 47487205, 94974410, 189948820]

約数ペア:

[(1, 189948820), (2, 94974410), (4, 47487205), (5, 37989764), (10, 18994882), (17, 11173460), (20, 9497441), (34, 5586730), (53, 3583940), (68, 2793365), (83, 2288540), (85, 2234692), (106, 1791970), (127, 1495660), (166, 1144270), (170, 1117346), (212, 895985), (254, 747830), (265, 716788), (332, 572135), (340, 558673), (415, 457708), (508, 373915), (530, 358394), (635, 299132), (830, 228854), (901, 210820), (1060, 179197), (1270, 149566), (1411, 134620), (1660, 114427), (1802, 105410), (2159, 87980), (2540, 74783), (2822, 67310), (3604, 52705), (4318, 43990), (4399, 43180), (4505, 42164), (5644, 33655), (6731, 28220), (7055, 26924), (8636, 21995), (8798, 21590), (9010, 21082), (10541, 18020), (10795, 17596), (13462, 14110)]