488492030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{25219}}^1$

素因数の和:25388

約数の個数: 32

約数和(自身を含む): 953316000

約数和(自身を除く): 464823970

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 1490, 1937, 3874, 9685, 19370, 25219, 50438, 126095, 252190, 327847, 655694, 1639235, 3278470, 3757631, 7515262, 18788155, 37576310, 48849203, 97698406, 244246015, 488492030]

約数ペア:

[(1, 488492030), (2, 244246015), (5, 97698406), (10, 48849203), (13, 37576310), (26, 18788155), (65, 7515262), (130, 3757631), (149, 3278470), (298, 1639235), (745, 655694), (1490, 327847), (1937, 252190), (3874, 126095), (9685, 50438), (19370, 25219)]