78479380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1097}}^1$

素因数の和:1193

約数の個数: 72

約数和(自身を含む): 194517288

約数和(自身を除く): 116037908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 245, 292, 365, 490, 511, 730, 980, 1022, 1097, 1460, 2044, 2194, 2555, 3577, 4388, 5110, 5485, 7154, 7679, 10220, 10970, 14308, 15358, 17885, 21940, 30716, 35770, 38395, 53753, 71540, 76790, 80081, 107506, 153580, 160162, 215012, 268765, 320324, 400405, 537530, 560567, 800810, 1075060, 1121134, 1601620, 2242268, 2802835, 3923969, 5605670, 7847938, 11211340, 15695876, 19619845, 39239690, 78479380]

約数ペア:

[(1, 78479380), (2, 39239690), (4, 19619845), (5, 15695876), (7, 11211340), (10, 7847938), (14, 5605670), (20, 3923969), (28, 2802835), (35, 2242268), (49, 1601620), (70, 1121134), (73, 1075060), (98, 800810), (140, 560567), (146, 537530), (196, 400405), (245, 320324), (292, 268765), (365, 215012), (490, 160162), (511, 153580), (730, 107506), (980, 80081), (1022, 76790), (1097, 71540), (1460, 53753), (2044, 38395), (2194, 35770), (2555, 30716), (3577, 21940), (4388, 17885), (5110, 15358), (5485, 14308), (7154, 10970), (7679, 10220)]