401840400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{25759}}^1$

素因数の和:25793

約数の個数: 120

約数和(自身を含む): 1386300160

約数和(自身を除く): 984459760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 100, 104, 120, 130, 150, 156, 195, 200, 208, 240, 260, 300, 312, 325, 390, 400, 520, 600, 624, 650, 780, 975, 1040, 1200, 1300, 1560, 1950, 2600, 3120, 3900, 5200, 7800, 15600, 25759, 51518, 77277, 103036, 128795, 154554, 206072, 257590, 309108, 334867, 386385, 412144, 515180, 618216, 643975, 669734, 772770, 1004601, 1030360, 1236432, 1287950, 1339468, 1545540, 1674335, 1931925, 2009202, 2060720, 2575900, 2678936, 3091080, 3348670, 3863850, 4018404, 5023005, 5151800, 5357872, 6182160, 6697340, 7727700, 8036808, 8371675, 10046010, 10303600, 13394680, 15455400, 16073616, 16743350, 20092020, 25115025, 26789360, 30910800, 33486700, 40184040, 50230050, 66973400, 80368080, 100460100, 133946800, 200920200, 401840400]

約数ペア:

[(1, 401840400), (2, 200920200), (3, 133946800), (4, 100460100), (5, 80368080), (6, 66973400), (8, 50230050), (10, 40184040), (12, 33486700), (13, 30910800), (15, 26789360), (16, 25115025), (20, 20092020), (24, 16743350), (25, 16073616), (26, 15455400), (30, 13394680), (39, 10303600), (40, 10046010), (48, 8371675), (50, 8036808), (52, 7727700), (60, 6697340), (65, 6182160), (75, 5357872), (78, 5151800), (80, 5023005), (100, 4018404), (104, 3863850), (120, 3348670), (130, 3091080), (150, 2678936), (156, 2575900), (195, 2060720), (200, 2009202), (208, 1931925), (240, 1674335), (260, 1545540), (300, 1339468), (312, 1287950), (325, 1236432), (390, 1030360), (400, 1004601), (520, 772770), (600, 669734), (624, 643975), (650, 618216), (780, 515180), (975, 412144), (1040, 386385), (1200, 334867), (1300, 309108), (1560, 257590), (1950, 206072), (2600, 154554), (3120, 128795), (3900, 103036), (5200, 77277), (7800, 51518), (15600, 25759)]