248717560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{68329}}^1$

素因数の和:68360

約数の個数: 64

約数和(自身を含む): 688766400

約数和(自身を除く): 440048840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 68329, 136658, 273316, 341645, 478303, 546632, 683290, 888277, 956606, 1366580, 1776554, 1913212, 2391515, 2733160, 3553108, 3826424, 4441385, 4783030, 6217939, 7106216, 8882770, 9566060, 12435878, 17765540, 19132120, 24871756, 31089695, 35531080, 49743512, 62179390, 124358780, 248717560]

約数ペア:

[(1, 248717560), (2, 124358780), (4, 62179390), (5, 49743512), (7, 35531080), (8, 31089695), (10, 24871756), (13, 19132120), (14, 17765540), (20, 12435878), (26, 9566060), (28, 8882770), (35, 7106216), (40, 6217939), (52, 4783030), (56, 4441385), (65, 3826424), (70, 3553108), (91, 2733160), (104, 2391515), (130, 1913212), (140, 1776554), (182, 1366580), (260, 956606), (280, 888277), (364, 683290), (455, 546632), (520, 478303), (728, 341645), (910, 273316), (1820, 136658), (3640, 68329)]