7781955700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{6863}}^1$

素因数の和:6946

約数の個数: 144

約数和(自身を含む): 19303764480

約数和(自身を除く): 11521808780

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 25, 29, 34, 46, 50, 58, 68, 85, 92, 100, 115, 116, 145, 170, 230, 290, 340, 391, 425, 460, 493, 575, 580, 667, 725, 782, 850, 986, 1150, 1334, 1450, 1564, 1700, 1955, 1972, 2300, 2465, 2668, 2900, 3335, 3910, 4930, 6670, 6863, 7820, 9775, 9860, 11339, 12325, 13340, 13726, 16675, 19550, 22678, 24650, 27452, 33350, 34315, 39100, 45356, 49300, 56695, 66700, 68630, 113390, 116671, 137260, 157849, 171575, 199027, 226780, 233342, 283475, 315698, 343150, 398054, 466684, 566950, 583355, 631396, 686300, 789245, 796108, 995135, 1133900, 1166710, 1578490, 1990270, 2333420, 2683433, 2916775, 3156980, 3383459, 3946225, 3980540, 4577621, 4975675, 5366866, 5833550, 6766918, 7892450, 9155242, 9951350, 10733732, 11667100, 13417165, 13533836, 15784900, 16917295, 18310484, 19902700, 22888105, 26834330, 33834590, 45776210, 53668660, 67085825, 67669180, 77819557, 84586475, 91552420, 114440525, 134171650, 155639114, 169172950, 228881050, 268343300, 311278228, 338345900, 389097785, 457762100, 778195570, 1556391140, 1945488925, 3890977850, 7781955700]

約数ペア:

[(1, 7781955700), (2, 3890977850), (4, 1945488925), (5, 1556391140), (10, 778195570), (17, 457762100), (20, 389097785), (23, 338345900), (25, 311278228), (29, 268343300), (34, 228881050), (46, 169172950), (50, 155639114), (58, 134171650), (68, 114440525), (85, 91552420), (92, 84586475), (100, 77819557), (115, 67669180), (116, 67085825), (145, 53668660), (170, 45776210), (230, 33834590), (290, 26834330), (340, 22888105), (391, 19902700), (425, 18310484), (460, 16917295), (493, 15784900), (575, 13533836), (580, 13417165), (667, 11667100), (725, 10733732), (782, 9951350), (850, 9155242), (986, 7892450), (1150, 6766918), (1334, 5833550), (1450, 5366866), (1564, 4975675), (1700, 4577621), (1955, 3980540), (1972, 3946225), (2300, 3383459), (2465, 3156980), (2668, 2916775), (2900, 2683433), (3335, 2333420), (3910, 1990270), (4930, 1578490), (6670, 1166710), (6863, 1133900), (7820, 995135), (9775, 796108), (9860, 789245), (11339, 686300), (12325, 631396), (13340, 583355), (13726, 566950), (16675, 466684), (19550, 398054), (22678, 343150), (24650, 315698), (27452, 283475), (33350, 233342), (34315, 226780), (39100, 199027), (45356, 171575), (49300, 157849), (56695, 137260), (66700, 116671), (68630, 113390)]