42608440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{21739}}^1$

素因数の和:21764

約数の個数: 48

約数和(自身を含む): 111526200

約数和(自身を除く): 68917760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 21739, 43478, 86956, 108695, 152173, 173912, 217390, 304346, 434780, 608692, 760865, 869560, 1065211, 1217384, 1521730, 2130422, 3043460, 4260844, 5326055, 6086920, 8521688, 10652110, 21304220, 42608440]

約数ペア:

[(1, 42608440), (2, 21304220), (4, 10652110), (5, 8521688), (7, 6086920), (8, 5326055), (10, 4260844), (14, 3043460), (20, 2130422), (28, 1521730), (35, 1217384), (40, 1065211), (49, 869560), (56, 760865), (70, 608692), (98, 434780), (140, 304346), (196, 217390), (245, 173912), (280, 152173), (392, 108695), (490, 86956), (980, 43478), (1960, 21739)]