201798660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{68639}}^1$

素因数の和:68665

約数の個数: 72

約数和(自身を含む): 657296640

約数和(自身を除く): 455497980

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, 68639, 137278, 205917, 274556, 343195, 411834, 480473, 686390, 823668, 960946, 1029585, 1372780, 1441419, 1921892, 2059170, 2402365, 2882838, 3363311, 4118340, 4804730, 5765676, 6726622, 7207095, 9609460, 10089933, 13453244, 14414190, 16816555, 20179866, 28828380, 33633110, 40359732, 50449665, 67266220, 100899330, 201798660]

約数ペア:

[(1, 201798660), (2, 100899330), (3, 67266220), (4, 50449665), (5, 40359732), (6, 33633110), (7, 28828380), (10, 20179866), (12, 16816555), (14, 14414190), (15, 13453244), (20, 10089933), (21, 9609460), (28, 7207095), (30, 6726622), (35, 5765676), (42, 4804730), (49, 4118340), (60, 3363311), (70, 2882838), (84, 2402365), (98, 2059170), (105, 1921892), (140, 1441419), (147, 1372780), (196, 1029585), (210, 960946), (245, 823668), (294, 686390), (420, 480473), (490, 411834), (588, 343195), (735, 274556), (980, 205917), (1470, 137278), (2940, 68639)]