138863120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157799}}^1$

素因数の和:157823

約数の個数: 40

約数和(自身を含む): 352209600

約数和(自身を除く): 213346480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 157799, 315598, 631196, 788995, 1262392, 1577990, 1735789, 2524784, 3155980, 3471578, 6311960, 6943156, 8678945, 12623920, 13886312, 17357890, 27772624, 34715780, 69431560, 138863120]

約数ペア:

[(1, 138863120), (2, 69431560), (4, 34715780), (5, 27772624), (8, 17357890), (10, 13886312), (11, 12623920), (16, 8678945), (20, 6943156), (22, 6311960), (40, 3471578), (44, 3155980), (55, 2524784), (80, 1735789), (88, 1577990), (110, 1262392), (176, 788995), (220, 631196), (440, 315598), (880, 157799)]