51621500

素因数分解:

$2^2\times 5^3\times 7^4\times {\mathrm{43}}^1$

素因数の和:90

約数の個数: 120

約数和(自身を含む): 134582448

約数和(自身を除く): 82960948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 43, 49, 50, 70, 86, 98, 100, 125, 140, 172, 175, 196, 215, 245, 250, 301, 343, 350, 430, 490, 500, 602, 686, 700, 860, 875, 980, 1075, 1204, 1225, 1372, 1505, 1715, 1750, 2107, 2150, 2401, 2450, 3010, 3430, 3500, 4214, 4300, 4802, 4900, 5375, 6020, 6125, 6860, 7525, 8428, 8575, 9604, 10535, 10750, 12005, 12250, 14749, 15050, 17150, 21070, 21500, 24010, 24500, 29498, 30100, 34300, 37625, 42140, 42875, 48020, 52675, 58996, 60025, 73745, 75250, 85750, 103243, 105350, 120050, 147490, 150500, 171500, 206486, 210700, 240100, 263375, 294980, 300125, 368725, 412972, 516215, 526750, 600250, 737450, 1032430, 1053500, 1200500, 1474900, 1843625, 2064860, 2581075, 3687250, 5162150, 7374500, 10324300, 12905375, 25810750, 51621500]

約数ペア:

[(1, 51621500), (2, 25810750), (4, 12905375), (5, 10324300), (7, 7374500), (10, 5162150), (14, 3687250), (20, 2581075), (25, 2064860), (28, 1843625), (35, 1474900), (43, 1200500), (49, 1053500), (50, 1032430), (70, 737450), (86, 600250), (98, 526750), (100, 516215), (125, 412972), (140, 368725), (172, 300125), (175, 294980), (196, 263375), (215, 240100), (245, 210700), (250, 206486), (301, 171500), (343, 150500), (350, 147490), (430, 120050), (490, 105350), (500, 103243), (602, 85750), (686, 75250), (700, 73745), (860, 60025), (875, 58996), (980, 52675), (1075, 48020), (1204, 42875), (1225, 42140), (1372, 37625), (1505, 34300), (1715, 30100), (1750, 29498), (2107, 24500), (2150, 24010), (2401, 21500), (2450, 21070), (3010, 17150), (3430, 15050), (3500, 14749), (4214, 12250), (4300, 12005), (4802, 10750), (4900, 10535), (5375, 9604), (6020, 8575), (6125, 8428), (6860, 7525)]