263020240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{293}}^1$

素因数の和:549

約数の個数: 120

約数和(自身を含む): 716907240

約数和(自身を除く): 453887000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 229, 245, 280, 293, 392, 458, 490, 560, 586, 784, 916, 980, 1145, 1172, 1465, 1603, 1832, 1960, 2051, 2290, 2344, 2930, 3206, 3664, 3920, 4102, 4580, 4688, 5860, 6412, 8015, 8204, 9160, 10255, 11221, 11720, 12824, 14357, 16030, 16408, 18320, 20510, 22442, 23440, 25648, 28714, 32060, 32816, 41020, 44884, 56105, 57428, 64120, 67097, 71785, 82040, 89768, 112210, 114856, 128240, 134194, 143570, 164080, 179536, 224420, 229712, 268388, 287140, 335485, 448840, 469679, 536776, 574280, 670970, 897680, 939358, 1073552, 1148560, 1341940, 1878716, 2348395, 2683880, 3287753, 3757432, 4696790, 5367760, 6575506, 7514864, 9393580, 13151012, 16438765, 18787160, 26302024, 32877530, 37574320, 52604048, 65755060, 131510120, 263020240]

約数ペア:

[(1, 263020240), (2, 131510120), (4, 65755060), (5, 52604048), (7, 37574320), (8, 32877530), (10, 26302024), (14, 18787160), (16, 16438765), (20, 13151012), (28, 9393580), (35, 7514864), (40, 6575506), (49, 5367760), (56, 4696790), (70, 3757432), (80, 3287753), (98, 2683880), (112, 2348395), (140, 1878716), (196, 1341940), (229, 1148560), (245, 1073552), (280, 939358), (293, 897680), (392, 670970), (458, 574280), (490, 536776), (560, 469679), (586, 448840), (784, 335485), (916, 287140), (980, 268388), (1145, 229712), (1172, 224420), (1465, 179536), (1603, 164080), (1832, 143570), (1960, 134194), (2051, 128240), (2290, 114856), (2344, 112210), (2930, 89768), (3206, 82040), (3664, 71785), (3920, 67097), (4102, 64120), (4580, 57428), (4688, 56105), (5860, 44884), (6412, 41020), (8015, 32816), (8204, 32060), (9160, 28714), (10255, 25648), (11221, 23440), (11720, 22442), (12824, 20510), (14357, 18320), (16030, 16408)]