280030590

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{63499}}^1$

素因数の和:63526

約数の個数: 72

約数和(自身を含む): 846963000

約数和(自身を除く): 566932410

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 63499, 126998, 190497, 317495, 380994, 444493, 571491, 634990, 888986, 952485, 1142982, 1333479, 1904970, 2222465, 2666958, 2857455, 3111451, 4000437, 4444930, 5714910, 6222902, 6667395, 8000874, 9334353, 13334790, 15557255, 18668706, 20002185, 28003059, 31114510, 40004370, 46671765, 56006118, 93343530, 140015295, 280030590]

約数ペア:

[(1, 280030590), (2, 140015295), (3, 93343530), (5, 56006118), (6, 46671765), (7, 40004370), (9, 31114510), (10, 28003059), (14, 20002185), (15, 18668706), (18, 15557255), (21, 13334790), (30, 9334353), (35, 8000874), (42, 6667395), (45, 6222902), (49, 5714910), (63, 4444930), (70, 4000437), (90, 3111451), (98, 2857455), (105, 2666958), (126, 2222465), (147, 1904970), (210, 1333479), (245, 1142982), (294, 952485), (315, 888986), (441, 634990), (490, 571491), (630, 444493), (735, 380994), (882, 317495), (1470, 190497), (2205, 126998), (4410, 63499)]