22018990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 47738880

約数和(自身を除く): 25719890

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 73, 139, 146, 155, 217, 278, 310, 365, 434, 511, 695, 730, 973, 1022, 1085, 1390, 1946, 2170, 2263, 2555, 4309, 4526, 4865, 5110, 8618, 9730, 10147, 11315, 15841, 20294, 21545, 22630, 30163, 31682, 43090, 50735, 60326, 71029, 79205, 101470, 142058, 150815, 158410, 301630, 314557, 355145, 629114, 710290, 1572785, 2201899, 3145570, 4403798, 11009495, 22018990]

約数ペア:

[(1, 22018990), (2, 11009495), (5, 4403798), (7, 3145570), (10, 2201899), (14, 1572785), (31, 710290), (35, 629114), (62, 355145), (70, 314557), (73, 301630), (139, 158410), (146, 150815), (155, 142058), (217, 101470), (278, 79205), (310, 71029), (365, 60326), (434, 50735), (511, 43090), (695, 31682), (730, 30163), (973, 22630), (1022, 21545), (1085, 20294), (1390, 15841), (1946, 11315), (2170, 10147), (2263, 9730), (2555, 8618), (4309, 5110), (4526, 4865)]