2945790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:545

約数の個数: 48

約数和(自身を含む): 7783776

約数和(自身を除く): 4837986

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 461, 639, 710, 922, 1065, 1278, 1383, 2130, 2305, 2766, 3195, 4149, 4610, 6390, 6915, 8298, 13830, 20745, 32731, 41490, 65462, 98193, 163655, 196386, 294579, 327310, 490965, 589158, 981930, 1472895, 2945790]

約数ペア:

[(1, 2945790), (2, 1472895), (3, 981930), (5, 589158), (6, 490965), (9, 327310), (10, 294579), (15, 196386), (18, 163655), (30, 98193), (45, 65462), (71, 41490), (90, 32731), (142, 20745), (213, 13830), (355, 8298), (426, 6915), (461, 6390), (639, 4610), (710, 4149), (922, 3195), (1065, 2766), (1278, 2305), (1383, 2130)]