219994620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{215681}}^1$

素因数の和:215710

約数の個数: 48

約数和(自身を含む): 652222368

約数和(自身を除く): 432227748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 215681, 431362, 647043, 862724, 1078405, 1294086, 2156810, 2588172, 3235215, 3666577, 4313620, 6470430, 7333154, 10999731, 12940860, 14666308, 18332885, 21999462, 36665770, 43998924, 54998655, 73331540, 109997310, 219994620]

約数ペア:

[(1, 219994620), (2, 109997310), (3, 73331540), (4, 54998655), (5, 43998924), (6, 36665770), (10, 21999462), (12, 18332885), (15, 14666308), (17, 12940860), (20, 10999731), (30, 7333154), (34, 6470430), (51, 4313620), (60, 3666577), (68, 3235215), (85, 2588172), (102, 2156810), (170, 1294086), (204, 1078405), (255, 862724), (340, 647043), (510, 431362), (1020, 215681)]