71376340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{421}}^1$

素因数の和:617

約数の個数: 72

約数和(自身を含む): 175786632

約数和(自身を除く): 104410292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 173, 196, 245, 346, 421, 490, 692, 842, 865, 980, 1211, 1684, 1730, 2105, 2422, 2947, 3460, 4210, 4844, 5894, 6055, 8420, 8477, 11788, 12110, 14735, 16954, 20629, 24220, 29470, 33908, 41258, 42385, 58940, 72833, 82516, 84770, 103145, 145666, 169540, 206290, 291332, 364165, 412580, 509831, 728330, 1019662, 1456660, 2039324, 2549155, 3568817, 5098310, 7137634, 10196620, 14275268, 17844085, 35688170, 71376340]

約数ペア:

[(1, 71376340), (2, 35688170), (4, 17844085), (5, 14275268), (7, 10196620), (10, 7137634), (14, 5098310), (20, 3568817), (28, 2549155), (35, 2039324), (49, 1456660), (70, 1019662), (98, 728330), (140, 509831), (173, 412580), (196, 364165), (245, 291332), (346, 206290), (421, 169540), (490, 145666), (692, 103145), (842, 84770), (865, 82516), (980, 72833), (1211, 58940), (1684, 42385), (1730, 41258), (2105, 33908), (2422, 29470), (2947, 24220), (3460, 20629), (4210, 16954), (4844, 14735), (5894, 12110), (6055, 11788), (8420, 8477)]