278350870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{5309}}^1$

素因数の和:5437

約数の個数: 48

約数和(自身を含む): 588390480

約数和(自身を除く): 310039610

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 107, 214, 245, 490, 535, 749, 1070, 1498, 3745, 5243, 5309, 7490, 10486, 10618, 26215, 26545, 37163, 52430, 53090, 74326, 185815, 260141, 371630, 520282, 568063, 1136126, 1300705, 2601410, 2840315, 3976441, 5680630, 7952882, 19882205, 27835087, 39764410, 55670174, 139175435, 278350870]

約数ペア:

[(1, 278350870), (2, 139175435), (5, 55670174), (7, 39764410), (10, 27835087), (14, 19882205), (35, 7952882), (49, 5680630), (70, 3976441), (98, 2840315), (107, 2601410), (214, 1300705), (245, 1136126), (490, 568063), (535, 520282), (749, 371630), (1070, 260141), (1498, 185815), (3745, 74326), (5243, 53090), (5309, 52430), (7490, 37163), (10486, 26545), (10618, 26215)]