201997859090

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{631}}^1\times {\mathrm{5683}}^1$

素因数の和:6495

約数の個数: 64

約数和(自身を含む): 375552156672

約数和(自身を除く): 173554297582

約数列:

[1, 2, 5, 10, 43, 86, 131, 215, 262, 430, 631, 655, 1262, 1310, 3155, 5633, 5683, 6310, 11266, 11366, 27133, 28165, 28415, 54266, 56330, 56830, 82661, 135665, 165322, 244369, 271330, 413305, 488738, 744473, 826610, 1221845, 1488946, 2443690, 3554423, 3585973, 3722365, 7108846, 7171946, 7444730, 17772115, 17929865, 32012339, 35544230, 35859730, 64024678, 154196839, 160061695, 308393678, 320123390, 469762463, 770984195, 939524926, 1541968390, 2348812315, 4697624630, 20199785909, 40399571818, 100998929545, 201997859090]

約数ペア:

[(1, 201997859090), (2, 100998929545), (5, 40399571818), (10, 20199785909), (43, 4697624630), (86, 2348812315), (131, 1541968390), (215, 939524926), (262, 770984195), (430, 469762463), (631, 320123390), (655, 308393678), (1262, 160061695), (1310, 154196839), (3155, 64024678), (5633, 35859730), (5683, 35544230), (6310, 32012339), (11266, 17929865), (11366, 17772115), (27133, 7444730), (28165, 7171946), (28415, 7108846), (54266, 3722365), (56330, 3585973), (56830, 3554423), (82661, 2443690), (135665, 1488946), (165322, 1221845), (244369, 826610), (271330, 744473), (413305, 488738)]