1909319020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3677}}^1\times {\mathrm{3709}}^1$

素因数の和:7402

約数の個数: 48

約数和(自身を含む): 4584847680

約数和(自身を除く): 2675528660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3677, 3709, 7354, 7418, 14708, 14836, 18385, 18545, 25739, 25963, 36770, 37090, 51478, 51926, 73540, 74180, 102956, 103852, 128695, 129815, 257390, 259630, 514780, 519260, 13637993, 27275986, 54551972, 68189965, 95465951, 136379930, 190931902, 272759860, 381863804, 477329755, 954659510, 1909319020]

約数ペア:

[(1, 1909319020), (2, 954659510), (4, 477329755), (5, 381863804), (7, 272759860), (10, 190931902), (14, 136379930), (20, 95465951), (28, 68189965), (35, 54551972), (70, 27275986), (140, 13637993), (3677, 519260), (3709, 514780), (7354, 259630), (7418, 257390), (14708, 129815), (14836, 128695), (18385, 103852), (18545, 102956), (25739, 74180), (25963, 73540), (36770, 51926), (37090, 51478)]