89819940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:386

約数の個数: 144

約数和(自身を含む): 296013312

約数和(自身を除く): 206193372

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 137, 140, 147, 196, 210, 223, 245, 274, 294, 411, 420, 446, 490, 548, 588, 669, 685, 735, 822, 892, 959, 980, 1115, 1338, 1370, 1470, 1561, 1644, 1918, 2055, 2230, 2676, 2740, 2877, 2940, 3122, 3345, 3836, 4110, 4460, 4683, 4795, 5754, 6244, 6690, 6713, 7805, 8220, 9366, 9590, 10927, 11508, 13380, 13426, 14385, 15610, 18732, 19180, 20139, 21854, 23415, 26852, 28770, 30551, 31220, 32781, 33565, 40278, 43708, 46830, 54635, 57540, 61102, 65562, 67130, 80556, 91653, 93660, 100695, 109270, 122204, 131124, 134260, 152755, 163905, 183306, 201390, 213857, 218540, 305510, 327810, 366612, 402780, 427714, 458265, 611020, 641571, 655620, 855428, 916530, 1069285, 1283142, 1496999, 1833060, 2138570, 2566284, 2993998, 3207855, 4277140, 4490997, 5987996, 6415710, 7484995, 8981994, 12831420, 14969990, 17963988, 22454985, 29939980, 44909970, 89819940]

約数ペア:

[(1, 89819940), (2, 44909970), (3, 29939980), (4, 22454985), (5, 17963988), (6, 14969990), (7, 12831420), (10, 8981994), (12, 7484995), (14, 6415710), (15, 5987996), (20, 4490997), (21, 4277140), (28, 3207855), (30, 2993998), (35, 2566284), (42, 2138570), (49, 1833060), (60, 1496999), (70, 1283142), (84, 1069285), (98, 916530), (105, 855428), (137, 655620), (140, 641571), (147, 611020), (196, 458265), (210, 427714), (223, 402780), (245, 366612), (274, 327810), (294, 305510), (411, 218540), (420, 213857), (446, 201390), (490, 183306), (548, 163905), (588, 152755), (669, 134260), (685, 131124), (735, 122204), (822, 109270), (892, 100695), (959, 93660), (980, 91653), (1115, 80556), (1338, 67130), (1370, 65562), (1470, 61102), (1561, 57540), (1644, 54635), (1918, 46830), (2055, 43708), (2230, 40278), (2676, 33565), (2740, 32781), (2877, 31220), (2940, 30551), (3122, 28770), (3345, 26852), (3836, 23415), (4110, 21854), (4460, 20139), (4683, 19180), (4795, 18732), (5754, 15610), (6244, 14385), (6690, 13426), (6713, 13380), (7805, 11508), (8220, 10927), (9366, 9590)]