315057620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{6329}}^1$

素因数の和:6488

約数の個数: 48

約数和(自身を含む): 701870400

約数和(自身を除く): 386812780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 190, 262, 380, 524, 655, 1310, 2489, 2620, 4978, 6329, 9956, 12445, 12658, 24890, 25316, 31645, 49780, 63290, 120251, 126580, 240502, 481004, 601255, 829099, 1202510, 1658198, 2405020, 3316396, 4145495, 8290990, 15752881, 16581980, 31505762, 63011524, 78764405, 157528810, 315057620]

約数ペア:

[(1, 315057620), (2, 157528810), (4, 78764405), (5, 63011524), (10, 31505762), (19, 16581980), (20, 15752881), (38, 8290990), (76, 4145495), (95, 3316396), (131, 2405020), (190, 1658198), (262, 1202510), (380, 829099), (524, 601255), (655, 481004), (1310, 240502), (2489, 126580), (2620, 120251), (4978, 63290), (6329, 49780), (9956, 31645), (12445, 25316), (12658, 24890)]