888955280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{30781}}^1$

素因数の和:30832

約数の個数: 60

約数和(自身を含む): 2181397212

約数和(自身を除く): 1292441932

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1444, 1520, 1805, 2888, 3610, 5776, 7220, 14440, 28880, 30781, 61562, 123124, 153905, 246248, 307810, 492496, 584839, 615620, 1169678, 1231240, 2339356, 2462480, 2924195, 4678712, 5848390, 9357424, 11111941, 11696780, 22223882, 23393560, 44447764, 46787120, 55559705, 88895528, 111119410, 177791056, 222238820, 444477640, 888955280]

約数ペア:

[(1, 888955280), (2, 444477640), (4, 222238820), (5, 177791056), (8, 111119410), (10, 88895528), (16, 55559705), (19, 46787120), (20, 44447764), (38, 23393560), (40, 22223882), (76, 11696780), (80, 11111941), (95, 9357424), (152, 5848390), (190, 4678712), (304, 2924195), (361, 2462480), (380, 2339356), (722, 1231240), (760, 1169678), (1444, 615620), (1520, 584839), (1805, 492496), (2888, 307810), (3610, 246248), (5776, 153905), (7220, 123124), (14440, 61562), (28880, 30781)]