398519940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10427}}^1$

素因数の和:10466

約数の個数: 144

約数和(自身を含む): 1398019392

約数和(自身を除く): 999499452

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 735, 780, 910, 980, 1092, 1274, 1365, 1470, 1820, 1911, 2548, 2730, 2940, 3185, 3822, 5460, 6370, 7644, 9555, 10427, 12740, 19110, 20854, 31281, 38220, 41708, 52135, 62562, 72989, 104270, 125124, 135551, 145978, 156405, 208540, 218967, 271102, 291956, 312810, 364945, 406653, 437934, 510923, 542204, 625620, 677755, 729890, 813306, 875868, 948857, 1021846, 1094835, 1355510, 1459780, 1532769, 1626612, 1897714, 2033265, 2043692, 2189670, 2554615, 2711020, 2846571, 3065538, 3795428, 4066530, 4379340, 4744285, 5109230, 5693142, 6131076, 6641999, 7663845, 8133060, 9488570, 10218460, 11386284, 13283998, 14232855, 15327690, 18977140, 19925997, 26567996, 28465710, 30655380, 33209995, 39851994, 56931420, 66419990, 79703988, 99629985, 132839980, 199259970, 398519940]

約数ペア:

[(1, 398519940), (2, 199259970), (3, 132839980), (4, 99629985), (5, 79703988), (6, 66419990), (7, 56931420), (10, 39851994), (12, 33209995), (13, 30655380), (14, 28465710), (15, 26567996), (20, 19925997), (21, 18977140), (26, 15327690), (28, 14232855), (30, 13283998), (35, 11386284), (39, 10218460), (42, 9488570), (49, 8133060), (52, 7663845), (60, 6641999), (65, 6131076), (70, 5693142), (78, 5109230), (84, 4744285), (91, 4379340), (98, 4066530), (105, 3795428), (130, 3065538), (140, 2846571), (147, 2711020), (156, 2554615), (182, 2189670), (195, 2043692), (196, 2033265), (210, 1897714), (245, 1626612), (260, 1532769), (273, 1459780), (294, 1355510), (364, 1094835), (390, 1021846), (420, 948857), (455, 875868), (490, 813306), (546, 729890), (588, 677755), (637, 625620), (735, 542204), (780, 510923), (910, 437934), (980, 406653), (1092, 364945), (1274, 312810), (1365, 291956), (1470, 271102), (1820, 218967), (1911, 208540), (2548, 156405), (2730, 145978), (2940, 135551), (3185, 125124), (3822, 104270), (5460, 72989), (6370, 62562), (7644, 52135), (9555, 41708), (10427, 38220), (12740, 31281), (19110, 20854)]