387621140

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1\times {\mathrm{751}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 825479424

約数和(自身を除く): 437858284

約数列:

[1, 2, 4, 5, 10, 20, 131, 197, 262, 394, 524, 655, 751, 788, 985, 1310, 1502, 1970, 2620, 3004, 3755, 3940, 7510, 15020, 25807, 51614, 98381, 103228, 129035, 147947, 196762, 258070, 295894, 393524, 491905, 516140, 591788, 739735, 983810, 1479470, 1967620, 2958940, 19381057, 38762114, 77524228, 96905285, 193810570, 387621140]

約数ペア:

[(1, 387621140), (2, 193810570), (4, 96905285), (5, 77524228), (10, 38762114), (20, 19381057), (131, 2958940), (197, 1967620), (262, 1479470), (394, 983810), (524, 739735), (655, 591788), (751, 516140), (788, 491905), (985, 393524), (1310, 295894), (1502, 258070), (1970, 196762), (2620, 147947), (3004, 129035), (3755, 103228), (3940, 98381), (7510, 51614), (15020, 25807)]