7882420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:161

約数の個数: 96

約数和(自身を含む): 20998656

約数和(自身を除く): 13116236

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 61, 65, 70, 71, 91, 122, 130, 140, 142, 182, 244, 260, 284, 305, 355, 364, 427, 455, 497, 610, 710, 793, 854, 910, 923, 994, 1220, 1420, 1586, 1708, 1820, 1846, 1988, 2135, 2485, 3172, 3692, 3965, 4270, 4331, 4615, 4970, 5551, 6461, 7930, 8540, 8662, 9230, 9940, 11102, 12922, 15860, 17324, 18460, 21655, 22204, 25844, 27755, 30317, 32305, 43310, 55510, 56303, 60634, 64610, 86620, 111020, 112606, 121268, 129220, 151585, 225212, 281515, 303170, 394121, 563030, 606340, 788242, 1126060, 1576484, 1970605, 3941210, 7882420]

約数ペア:

[(1, 7882420), (2, 3941210), (4, 1970605), (5, 1576484), (7, 1126060), (10, 788242), (13, 606340), (14, 563030), (20, 394121), (26, 303170), (28, 281515), (35, 225212), (52, 151585), (61, 129220), (65, 121268), (70, 112606), (71, 111020), (91, 86620), (122, 64610), (130, 60634), (140, 56303), (142, 55510), (182, 43310), (244, 32305), (260, 30317), (284, 27755), (305, 25844), (355, 22204), (364, 21655), (427, 18460), (455, 17324), (497, 15860), (610, 12922), (710, 11102), (793, 9940), (854, 9230), (910, 8662), (923, 8540), (994, 7930), (1220, 6461), (1420, 5551), (1586, 4970), (1708, 4615), (1820, 4331), (1846, 4270), (1988, 3965), (2135, 3692), (2485, 3172)]