202615980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{68917}}^1$

素因数の和:68943

約数の個数: 72

約数和(自身を含む): 659958768

約数和(自身を除く): 457342788

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, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 68917, 137834, 206751, 275668, 344585, 413502, 482419, 689170, 827004, 964838, 1033755, 1378340, 1447257, 1929676, 2067510, 2412095, 2894514, 3376933, 4135020, 4824190, 5789028, 6753866, 7236285, 9648380, 10130799, 13507732, 14472570, 16884665, 20261598, 28945140, 33769330, 40523196, 50653995, 67538660, 101307990, 202615980]

約数ペア:

[(1, 202615980), (2, 101307990), (3, 67538660), (4, 50653995), (5, 40523196), (6, 33769330), (7, 28945140), (10, 20261598), (12, 16884665), (14, 14472570), (15, 13507732), (20, 10130799), (21, 9648380), (28, 7236285), (30, 6753866), (35, 5789028), (42, 4824190), (49, 4135020), (60, 3376933), (70, 2894514), (84, 2412095), (98, 2067510), (105, 1929676), (140, 1447257), (147, 1378340), (196, 1033755), (210, 964838), (245, 827004), (294, 689170), (420, 482419), (490, 413502), (588, 344585), (735, 275668), (980, 206751), (1470, 137834), (2940, 68917)]