202121500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 192

約数和(自身を含む): 553512960

約数和(自身を除く): 351391460

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 43, 50, 68, 70, 79, 85, 86, 100, 119, 125, 140, 158, 170, 172, 175, 215, 238, 250, 301, 316, 340, 350, 395, 425, 430, 476, 500, 553, 595, 602, 700, 731, 790, 850, 860, 875, 1075, 1106, 1190, 1204, 1343, 1462, 1505, 1580, 1700, 1750, 1975, 2125, 2150, 2212, 2380, 2686, 2765, 2924, 2975, 3010, 3397, 3500, 3655, 3950, 4250, 4300, 5117, 5372, 5375, 5530, 5950, 6020, 6715, 6794, 7310, 7525, 7900, 8500, 9401, 9875, 10234, 10750, 11060, 11900, 13430, 13588, 13825, 14620, 14875, 15050, 16985, 18275, 18802, 19750, 20468, 21500, 23779, 25585, 26860, 27650, 29750, 30100, 33575, 33970, 36550, 37604, 37625, 39500, 47005, 47558, 51170, 55300, 57749, 59500, 67150, 67940, 69125, 73100, 75250, 84925, 91375, 94010, 95116, 102340, 115498, 118895, 127925, 134300, 138250, 150500, 167875, 169850, 182750, 188020, 230996, 235025, 237790, 255850, 276500, 288745, 335750, 339700, 365500, 404243, 424625, 470050, 475580, 511700, 577490, 594475, 639625, 671500, 808486, 849250, 940100, 1154980, 1175125, 1188950, 1279250, 1443725, 1616972, 1698500, 2021215, 2350250, 2377900, 2558500, 2887450, 2972375, 4042430, 4700500, 5774900, 5944750, 7218625, 8084860, 10106075, 11889500, 14437250, 20212150, 28874500, 40424300, 50530375, 101060750, 202121500]

約数ペア:

[(1, 202121500), (2, 101060750), (4, 50530375), (5, 40424300), (7, 28874500), (10, 20212150), (14, 14437250), (17, 11889500), (20, 10106075), (25, 8084860), (28, 7218625), (34, 5944750), (35, 5774900), (43, 4700500), (50, 4042430), (68, 2972375), (70, 2887450), (79, 2558500), (85, 2377900), (86, 2350250), (100, 2021215), (119, 1698500), (125, 1616972), (140, 1443725), (158, 1279250), (170, 1188950), (172, 1175125), (175, 1154980), (215, 940100), (238, 849250), (250, 808486), (301, 671500), (316, 639625), (340, 594475), (350, 577490), (395, 511700), (425, 475580), (430, 470050), (476, 424625), (500, 404243), (553, 365500), (595, 339700), (602, 335750), (700, 288745), (731, 276500), (790, 255850), (850, 237790), (860, 235025), (875, 230996), (1075, 188020), (1106, 182750), (1190, 169850), (1204, 167875), (1343, 150500), (1462, 138250), (1505, 134300), (1580, 127925), (1700, 118895), (1750, 115498), (1975, 102340), (2125, 95116), (2150, 94010), (2212, 91375), (2380, 84925), (2686, 75250), (2765, 73100), (2924, 69125), (2975, 67940), (3010, 67150), (3397, 59500), (3500, 57749), (3655, 55300), (3950, 51170), (4250, 47558), (4300, 47005), (5117, 39500), (5372, 37625), (5375, 37604), (5530, 36550), (5950, 33970), (6020, 33575), (6715, 30100), (6794, 29750), (7310, 27650), (7525, 26860), (7900, 25585), (8500, 23779), (9401, 21500), (9875, 20468), (10234, 19750), (10750, 18802), (11060, 18275), (11900, 16985), (13430, 15050), (13588, 14875), (13825, 14620)]