193615880

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:606

約数の個数: 64

約数和(自身を含む): 444528000

約数和(自身を除く): 250912120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 139, 194, 278, 359, 388, 485, 556, 695, 718, 776, 970, 1112, 1390, 1436, 1795, 1940, 2780, 2872, 3590, 3880, 5560, 7180, 13483, 14360, 26966, 34823, 49901, 53932, 67415, 69646, 99802, 107864, 134830, 139292, 174115, 199604, 249505, 269660, 278584, 348230, 399208, 499010, 539320, 696460, 998020, 1392920, 1996040, 4840397, 9680794, 19361588, 24201985, 38723176, 48403970, 96807940, 193615880]

約数ペア:

[(1, 193615880), (2, 96807940), (4, 48403970), (5, 38723176), (8, 24201985), (10, 19361588), (20, 9680794), (40, 4840397), (97, 1996040), (139, 1392920), (194, 998020), (278, 696460), (359, 539320), (388, 499010), (485, 399208), (556, 348230), (695, 278584), (718, 269660), (776, 249505), (970, 199604), (1112, 174115), (1390, 139292), (1436, 134830), (1795, 107864), (1940, 99802), (2780, 69646), (2872, 67415), (3590, 53932), (3880, 49901), (5560, 34823), (7180, 26966), (13483, 14360)]