286984820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{17959}}^1$

素因数の和:18032

約数の個数: 48

約数和(自身を含む): 651732480

約数和(自身を除く): 364747660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1598, 3196, 3995, 7990, 15980, 17959, 35918, 71836, 89795, 179590, 305303, 359180, 610606, 844073, 1221212, 1526515, 1688146, 3053030, 3376292, 4220365, 6106060, 8440730, 14349241, 16881460, 28698482, 57396964, 71746205, 143492410, 286984820]

約数ペア:

[(1, 286984820), (2, 143492410), (4, 71746205), (5, 57396964), (10, 28698482), (17, 16881460), (20, 14349241), (34, 8440730), (47, 6106060), (68, 4220365), (85, 3376292), (94, 3053030), (170, 1688146), (188, 1526515), (235, 1221212), (340, 844073), (470, 610606), (799, 359180), (940, 305303), (1598, 179590), (3196, 89795), (3995, 71836), (7990, 35918), (15980, 17959)]