390143988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{19387}}^1$

素因数の和:19453

約数の個数: 72

約数和(自身を含む): 1086813728

約数和(自身を除く): 696669740

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 1118, 1548, 1677, 2236, 3354, 5031, 6708, 10062, 19387, 20124, 38774, 58161, 77548, 116322, 174483, 232644, 252031, 348966, 504062, 697932, 756093, 833641, 1008124, 1512186, 1667282, 2268279, 2500923, 3024372, 3334564, 4536558, 5001846, 7502769, 9073116, 10003692, 10837333, 15005538, 21674666, 30011076, 32511999, 43349332, 65023998, 97535997, 130047996, 195071994, 390143988]

約数ペア:

[(1, 390143988), (2, 195071994), (3, 130047996), (4, 97535997), (6, 65023998), (9, 43349332), (12, 32511999), (13, 30011076), (18, 21674666), (26, 15005538), (36, 10837333), (39, 10003692), (43, 9073116), (52, 7502769), (78, 5001846), (86, 4536558), (117, 3334564), (129, 3024372), (156, 2500923), (172, 2268279), (234, 1667282), (258, 1512186), (387, 1008124), (468, 833641), (516, 756093), (559, 697932), (774, 504062), (1118, 348966), (1548, 252031), (1677, 232644), (2236, 174483), (3354, 116322), (5031, 77548), (6708, 58161), (10062, 38774), (19387, 20124)]