228379760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{407821}}^1$

素因数の和:407841

約数の個数: 40

約数和(自身を含む): 606839136

約数和(自身を除く): 378459376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 407821, 815642, 1631284, 2039105, 2854747, 3262568, 4078210, 5709494, 6525136, 8156420, 11418988, 14273735, 16312840, 22837976, 28547470, 32625680, 45675952, 57094940, 114189880, 228379760]

約数ペア:

[(1, 228379760), (2, 114189880), (4, 57094940), (5, 45675952), (7, 32625680), (8, 28547470), (10, 22837976), (14, 16312840), (16, 14273735), (20, 11418988), (28, 8156420), (35, 6525136), (40, 5709494), (56, 4078210), (70, 3262568), (80, 2854747), (112, 2039105), (140, 1631284), (280, 815642), (560, 407821)]