209939520

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{4463}}^1$

素因数の和:4497

約数の個数: 168

約数和(自身を含む): 775557504

約数和(自身を除く): 565617984

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 392, 420, 448, 480, 490, 560, 588, 672, 735, 784, 840, 960, 980, 1120, 1176, 1344, 1470, 1568, 1680, 1960, 2240, 2352, 2940, 3136, 3360, 3920, 4463, 4704, 5880, 6720, 7840, 8926, 9408, 11760, 13389, 15680, 17852, 22315, 23520, 26778, 31241, 35704, 44630, 47040, 53556, 62482, 66945, 71408, 89260, 93723, 107112, 124964, 133890, 142816, 156205, 178520, 187446, 214224, 218687, 249928, 267780, 285632, 312410, 357040, 374892, 428448, 437374, 468615, 499856, 535560, 624820, 656061, 714080, 749784, 856896, 874748, 937230, 999712, 1071120, 1093435, 1249640, 1312122, 1428160, 1499568, 1749496, 1874460, 1999424, 2142240, 2186870, 2499280, 2624244, 2999136, 3280305, 3498992, 3748920, 4284480, 4373740, 4998560, 5248488, 5998272, 6560610, 6997984, 7497840, 8747480, 9997120, 10496976, 13121220, 13995968, 14995680, 17494960, 20993952, 26242440, 29991360, 34989920, 41987904, 52484880, 69979840, 104969760, 209939520]

約数ペア:

[(1, 209939520), (2, 104969760), (3, 69979840), (4, 52484880), (5, 41987904), (6, 34989920), (7, 29991360), (8, 26242440), (10, 20993952), (12, 17494960), (14, 14995680), (15, 13995968), (16, 13121220), (20, 10496976), (21, 9997120), (24, 8747480), (28, 7497840), (30, 6997984), (32, 6560610), (35, 5998272), (40, 5248488), (42, 4998560), (48, 4373740), (49, 4284480), (56, 3748920), (60, 3498992), (64, 3280305), (70, 2999136), (80, 2624244), (84, 2499280), (96, 2186870), (98, 2142240), (105, 1999424), (112, 1874460), (120, 1749496), (140, 1499568), (147, 1428160), (160, 1312122), (168, 1249640), (192, 1093435), (196, 1071120), (210, 999712), (224, 937230), (240, 874748), (245, 856896), (280, 749784), (294, 714080), (320, 656061), (336, 624820), (392, 535560), (420, 499856), (448, 468615), (480, 437374), (490, 428448), (560, 374892), (588, 357040), (672, 312410), (735, 285632), (784, 267780), (840, 249928), (960, 218687), (980, 214224), (1120, 187446), (1176, 178520), (1344, 156205), (1470, 142816), (1568, 133890), (1680, 124964), (1960, 107112), (2240, 93723), (2352, 89260), (2940, 71408), (3136, 66945), (3360, 62482), (3920, 53556), (4463, 47040), (4704, 44630), (5880, 35704), (6720, 31241), (7840, 26778), (8926, 23520), (9408, 22315), (11760, 17852), (13389, 15680)]