219981320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{977}}^1$

素因数の和:1434

約数の個数: 64

約数和(自身を含む): 534809520

約数和(自身を除く): 314828200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 433, 520, 866, 977, 1732, 1954, 2165, 3464, 3908, 4330, 4885, 5629, 7816, 8660, 9770, 11258, 12701, 17320, 19540, 22516, 25402, 28145, 39080, 45032, 50804, 56290, 63505, 101608, 112580, 127010, 225160, 254020, 423041, 508040, 846082, 1692164, 2115205, 3384328, 4230410, 5499533, 8460820, 10999066, 16921640, 21998132, 27497665, 43996264, 54995330, 109990660, 219981320]

約数ペア:

[(1, 219981320), (2, 109990660), (4, 54995330), (5, 43996264), (8, 27497665), (10, 21998132), (13, 16921640), (20, 10999066), (26, 8460820), (40, 5499533), (52, 4230410), (65, 3384328), (104, 2115205), (130, 1692164), (260, 846082), (433, 508040), (520, 423041), (866, 254020), (977, 225160), (1732, 127010), (1954, 112580), (2165, 101608), (3464, 63505), (3908, 56290), (4330, 50804), (4885, 45032), (5629, 39080), (7816, 28145), (8660, 25402), (9770, 22516), (11258, 19540), (12701, 17320)]