156753940

素因数分解:

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

素因数の和:234

約数の個数: 108

約数和(自身を含む): 409675644

約数和(自身を除く): 252921704

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 97, 98, 119, 140, 170, 194, 196, 238, 245, 340, 388, 476, 485, 490, 595, 679, 833, 970, 980, 1190, 1358, 1649, 1666, 1940, 2380, 2716, 3298, 3332, 3395, 4165, 4753, 6596, 6790, 8245, 8330, 9409, 9506, 11543, 13580, 16490, 16660, 18818, 19012, 23086, 23765, 32980, 37636, 46172, 47045, 47530, 57715, 65863, 80801, 94090, 95060, 115430, 131726, 159953, 161602, 188180, 230860, 263452, 319906, 323204, 329315, 404005, 461041, 639812, 658630, 799765, 808010, 922082, 1119671, 1317260, 1599530, 1616020, 1844164, 2239342, 2305205, 3199060, 4478684, 4610410, 5598355, 7837697, 9220820, 11196710, 15675394, 22393420, 31350788, 39188485, 78376970, 156753940]

約数ペア:

[(1, 156753940), (2, 78376970), (4, 39188485), (5, 31350788), (7, 22393420), (10, 15675394), (14, 11196710), (17, 9220820), (20, 7837697), (28, 5598355), (34, 4610410), (35, 4478684), (49, 3199060), (68, 2305205), (70, 2239342), (85, 1844164), (97, 1616020), (98, 1599530), (119, 1317260), (140, 1119671), (170, 922082), (194, 808010), (196, 799765), (238, 658630), (245, 639812), (340, 461041), (388, 404005), (476, 329315), (485, 323204), (490, 319906), (595, 263452), (679, 230860), (833, 188180), (970, 161602), (980, 159953), (1190, 131726), (1358, 115430), (1649, 95060), (1666, 94090), (1940, 80801), (2380, 65863), (2716, 57715), (3298, 47530), (3332, 47045), (3395, 46172), (4165, 37636), (4753, 32980), (6596, 23765), (6790, 23086), (8245, 19012), (8330, 18818), (9409, 16660), (9506, 16490), (11543, 13580)]