39400380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:376

約数の個数: 144

約数和(自身を含む): 129153024

約数和(自身を除く): 89752644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 31, 36, 45, 46, 60, 62, 69, 90, 92, 93, 115, 124, 138, 155, 180, 186, 207, 230, 276, 279, 307, 310, 345, 372, 414, 460, 465, 558, 614, 620, 690, 713, 828, 921, 930, 1035, 1116, 1228, 1380, 1395, 1426, 1535, 1842, 1860, 2070, 2139, 2763, 2790, 2852, 3070, 3565, 3684, 4140, 4278, 4605, 5526, 5580, 6140, 6417, 7061, 7130, 8556, 9210, 9517, 10695, 11052, 12834, 13815, 14122, 14260, 18420, 19034, 21183, 21390, 25668, 27630, 28244, 28551, 32085, 35305, 38068, 42366, 42780, 47585, 55260, 57102, 63549, 64170, 70610, 84732, 85653, 95170, 105915, 114204, 127098, 128340, 141220, 142755, 171306, 190340, 211830, 218891, 254196, 285510, 317745, 342612, 423660, 428265, 437782, 571020, 635490, 656673, 856530, 875564, 1094455, 1270980, 1313346, 1713060, 1970019, 2188910, 2626692, 3283365, 3940038, 4377820, 6566730, 7880076, 9850095, 13133460, 19700190, 39400380]

約数ペア:

[(1, 39400380), (2, 19700190), (3, 13133460), (4, 9850095), (5, 7880076), (6, 6566730), (9, 4377820), (10, 3940038), (12, 3283365), (15, 2626692), (18, 2188910), (20, 1970019), (23, 1713060), (30, 1313346), (31, 1270980), (36, 1094455), (45, 875564), (46, 856530), (60, 656673), (62, 635490), (69, 571020), (90, 437782), (92, 428265), (93, 423660), (115, 342612), (124, 317745), (138, 285510), (155, 254196), (180, 218891), (186, 211830), (207, 190340), (230, 171306), (276, 142755), (279, 141220), (307, 128340), (310, 127098), (345, 114204), (372, 105915), (414, 95170), (460, 85653), (465, 84732), (558, 70610), (614, 64170), (620, 63549), (690, 57102), (713, 55260), (828, 47585), (921, 42780), (930, 42366), (1035, 38068), (1116, 35305), (1228, 32085), (1380, 28551), (1395, 28244), (1426, 27630), (1535, 25668), (1842, 21390), (1860, 21183), (2070, 19034), (2139, 18420), (2763, 14260), (2790, 14122), (2852, 13815), (3070, 12834), (3565, 11052), (3684, 10695), (4140, 9517), (4278, 9210), (4605, 8556), (5526, 7130), (5580, 7061), (6140, 6417)]