221791710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:586

約数の個数: 128

約数和(自身を含む): 638668800

約数和(自身を除く): 416877090

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 58, 70, 79, 87, 105, 145, 158, 174, 203, 210, 237, 290, 395, 406, 435, 461, 474, 553, 609, 790, 870, 922, 1015, 1106, 1185, 1218, 1383, 1659, 2030, 2291, 2305, 2370, 2765, 2766, 3045, 3227, 3318, 4582, 4610, 5530, 6090, 6454, 6873, 6915, 8295, 9681, 11455, 13369, 13746, 13830, 16037, 16135, 16590, 19362, 22910, 26738, 32074, 32270, 34365, 36419, 40107, 48111, 48405, 66845, 68730, 72838, 80185, 80214, 93583, 96222, 96810, 109257, 133690, 160370, 182095, 187166, 200535, 218514, 240555, 254933, 280749, 364190, 401070, 467915, 481110, 509866, 546285, 561498, 764799, 935830, 1056151, 1092570, 1274665, 1403745, 1529598, 2112302, 2549330, 2807490, 3168453, 3823995, 5280755, 6336906, 7393057, 7647990, 10561510, 14786114, 15842265, 22179171, 31684530, 36965285, 44358342, 73930570, 110895855, 221791710]

約数ペア:

[(1, 221791710), (2, 110895855), (3, 73930570), (5, 44358342), (6, 36965285), (7, 31684530), (10, 22179171), (14, 15842265), (15, 14786114), (21, 10561510), (29, 7647990), (30, 7393057), (35, 6336906), (42, 5280755), (58, 3823995), (70, 3168453), (79, 2807490), (87, 2549330), (105, 2112302), (145, 1529598), (158, 1403745), (174, 1274665), (203, 1092570), (210, 1056151), (237, 935830), (290, 764799), (395, 561498), (406, 546285), (435, 509866), (461, 481110), (474, 467915), (553, 401070), (609, 364190), (790, 280749), (870, 254933), (922, 240555), (1015, 218514), (1106, 200535), (1185, 187166), (1218, 182095), (1383, 160370), (1659, 133690), (2030, 109257), (2291, 96810), (2305, 96222), (2370, 93583), (2765, 80214), (2766, 80185), (3045, 72838), (3227, 68730), (3318, 66845), (4582, 48405), (4610, 48111), (5530, 40107), (6090, 36419), (6454, 34365), (6873, 32270), (6915, 32074), (8295, 26738), (9681, 22910), (11455, 19362), (13369, 16590), (13746, 16135), (13830, 16037)]