398195784

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4969}}^1$

素因数の和:5044

約数の個数: 128

約数和(自身を含む): 1288224000

約数和(自身を除く): 890028216

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 53, 54, 56, 63, 72, 84, 106, 108, 126, 159, 168, 189, 212, 216, 252, 318, 371, 378, 424, 477, 504, 636, 742, 756, 954, 1113, 1272, 1431, 1484, 1512, 1908, 2226, 2862, 2968, 3339, 3816, 4452, 4969, 5724, 6678, 8904, 9938, 10017, 11448, 13356, 14907, 19876, 20034, 26712, 29814, 34783, 39752, 40068, 44721, 59628, 69566, 80136, 89442, 104349, 119256, 134163, 139132, 178884, 208698, 263357, 268326, 278264, 313047, 357768, 417396, 526714, 536652, 626094, 790071, 834792, 939141, 1053428, 1073304, 1252188, 1580142, 1843499, 1878282, 2106856, 2370213, 2504376, 3160284, 3686998, 3756564, 4740426, 5530497, 6320568, 7110639, 7373996, 7513128, 9480852, 11060994, 14221278, 14747992, 16591491, 18961704, 22121988, 28442556, 33182982, 44243976, 49774473, 56885112, 66365964, 99548946, 132731928, 199097892, 398195784]

約数ペア:

[(1, 398195784), (2, 199097892), (3, 132731928), (4, 99548946), (6, 66365964), (7, 56885112), (8, 49774473), (9, 44243976), (12, 33182982), (14, 28442556), (18, 22121988), (21, 18961704), (24, 16591491), (27, 14747992), (28, 14221278), (36, 11060994), (42, 9480852), (53, 7513128), (54, 7373996), (56, 7110639), (63, 6320568), (72, 5530497), (84, 4740426), (106, 3756564), (108, 3686998), (126, 3160284), (159, 2504376), (168, 2370213), (189, 2106856), (212, 1878282), (216, 1843499), (252, 1580142), (318, 1252188), (371, 1073304), (378, 1053428), (424, 939141), (477, 834792), (504, 790071), (636, 626094), (742, 536652), (756, 526714), (954, 417396), (1113, 357768), (1272, 313047), (1431, 278264), (1484, 268326), (1512, 263357), (1908, 208698), (2226, 178884), (2862, 139132), (2968, 134163), (3339, 119256), (3816, 104349), (4452, 89442), (4969, 80136), (5724, 69566), (6678, 59628), (8904, 44721), (9938, 40068), (10017, 39752), (11448, 34783), (13356, 29814), (14907, 26712), (19876, 20034)]