313507880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{97}}^2$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 877876380

約数和(自身を除く): 564368500

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 85, 97, 98, 119, 136, 140, 170, 194, 196, 238, 245, 280, 340, 388, 392, 476, 485, 490, 595, 679, 680, 776, 833, 952, 970, 980, 1190, 1358, 1649, 1666, 1940, 1960, 2380, 2716, 3298, 3332, 3395, 3880, 4165, 4753, 4760, 5432, 6596, 6664, 6790, 8245, 8330, 9409, 9506, 11543, 13192, 13580, 16490, 16660, 18818, 19012, 23086, 23765, 27160, 32980, 33320, 37636, 38024, 46172, 47045, 47530, 57715, 65863, 65960, 75272, 80801, 92344, 94090, 95060, 115430, 131726, 159953, 161602, 188180, 190120, 230860, 263452, 319906, 323204, 329315, 376360, 404005, 461041, 461720, 526904, 639812, 646408, 658630, 799765, 808010, 922082, 1119671, 1279624, 1317260, 1599530, 1616020, 1844164, 2239342, 2305205, 2634520, 3199060, 3232040, 3688328, 4478684, 4610410, 5598355, 6398120, 7837697, 8957368, 9220820, 11196710, 15675394, 18441640, 22393420, 31350788, 39188485, 44786840, 62701576, 78376970, 156753940, 313507880]

約数ペア:

[(1, 313507880), (2, 156753940), (4, 78376970), (5, 62701576), (7, 44786840), (8, 39188485), (10, 31350788), (14, 22393420), (17, 18441640), (20, 15675394), (28, 11196710), (34, 9220820), (35, 8957368), (40, 7837697), (49, 6398120), (56, 5598355), (68, 4610410), (70, 4478684), (85, 3688328), (97, 3232040), (98, 3199060), (119, 2634520), (136, 2305205), (140, 2239342), (170, 1844164), (194, 1616020), (196, 1599530), (238, 1317260), (245, 1279624), (280, 1119671), (340, 922082), (388, 808010), (392, 799765), (476, 658630), (485, 646408), (490, 639812), (595, 526904), (679, 461720), (680, 461041), (776, 404005), (833, 376360), (952, 329315), (970, 323204), (980, 319906), (1190, 263452), (1358, 230860), (1649, 190120), (1666, 188180), (1940, 161602), (1960, 159953), (2380, 131726), (2716, 115430), (3298, 95060), (3332, 94090), (3395, 92344), (3880, 80801), (4165, 75272), (4753, 65960), (4760, 65863), (5432, 57715), (6596, 47530), (6664, 47045), (6790, 46172), (8245, 38024), (8330, 37636), (9409, 33320), (9506, 32980), (11543, 27160), (13192, 23765), (13580, 23086), (16490, 19012), (16660, 18818)]