127804940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1483}}^1$

素因数の和:1662

約数の個数: 48

約数和(自身を含む): 279229440

約数和(自身を除く): 151424500

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 139, 155, 278, 310, 556, 620, 695, 1390, 1483, 2780, 2966, 4309, 5932, 7415, 8618, 14830, 17236, 21545, 29660, 43090, 45973, 86180, 91946, 183892, 206137, 229865, 412274, 459730, 824548, 919460, 1030685, 2061370, 4122740, 6390247, 12780494, 25560988, 31951235, 63902470, 127804940]

約数ペア:

[(1, 127804940), (2, 63902470), (4, 31951235), (5, 25560988), (10, 12780494), (20, 6390247), (31, 4122740), (62, 2061370), (124, 1030685), (139, 919460), (155, 824548), (278, 459730), (310, 412274), (556, 229865), (620, 206137), (695, 183892), (1390, 91946), (1483, 86180), (2780, 45973), (2966, 43090), (4309, 29660), (5932, 21545), (7415, 17236), (8618, 14830)]