1218000620

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1\times {\mathrm{3643}}^1$

素因数の和:3954

約数の個数: 48

約数和(自身を含む): 2604876960

約数和(自身を除く): 1386876340

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 229, 292, 365, 458, 730, 916, 1145, 1460, 2290, 3643, 4580, 7286, 14572, 16717, 18215, 33434, 36430, 66868, 72860, 83585, 167170, 265939, 334340, 531878, 834247, 1063756, 1329695, 1668494, 2659390, 3336988, 4171235, 5318780, 8342470, 16684940, 60900031, 121800062, 243600124, 304500155, 609000310, 1218000620]

約数ペア:

[(1, 1218000620), (2, 609000310), (4, 304500155), (5, 243600124), (10, 121800062), (20, 60900031), (73, 16684940), (146, 8342470), (229, 5318780), (292, 4171235), (365, 3336988), (458, 2659390), (730, 1668494), (916, 1329695), (1145, 1063756), (1460, 834247), (2290, 531878), (3643, 334340), (4580, 265939), (7286, 167170), (14572, 83585), (16717, 72860), (18215, 66868), (33434, 36430)]