157487913940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{401}}^1\times {\mathrm{400753}}^1$

素因数の和:401177

約数の個数: 72

約数和(自身を含む): 385680840552

約数和(自身を除く): 228192926612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 401, 490, 802, 980, 1604, 2005, 2807, 4010, 5614, 8020, 11228, 14035, 19649, 28070, 39298, 56140, 78596, 98245, 196490, 392980, 400753, 801506, 1603012, 2003765, 2805271, 4007530, 5610542, 8015060, 11221084, 14026355, 19636897, 28052710, 39273794, 56105420, 78547588, 98184485, 160701953, 196368970, 321403906, 392737940, 642807812, 803509765, 1124913671, 1607019530, 2249827342, 3214039060, 4499654684, 5624568355, 7874395697, 11249136710, 15748791394, 22498273420, 31497582788, 39371978485, 78743956970, 157487913940]

約数ペア:

[(1, 157487913940), (2, 78743956970), (4, 39371978485), (5, 31497582788), (7, 22498273420), (10, 15748791394), (14, 11249136710), (20, 7874395697), (28, 5624568355), (35, 4499654684), (49, 3214039060), (70, 2249827342), (98, 1607019530), (140, 1124913671), (196, 803509765), (245, 642807812), (401, 392737940), (490, 321403906), (802, 196368970), (980, 160701953), (1604, 98184485), (2005, 78547588), (2807, 56105420), (4010, 39273794), (5614, 28052710), (8020, 19636897), (11228, 14026355), (14035, 11221084), (19649, 8015060), (28070, 5610542), (39298, 4007530), (56140, 2805271), (78596, 2003765), (98245, 1603012), (196490, 801506), (392980, 400753)]