49901410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 103420800

約数和(自身を除く): 53519390

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 89, 95, 130, 178, 190, 227, 247, 445, 454, 494, 890, 1135, 1157, 1235, 1691, 2270, 2314, 2470, 2951, 3382, 4313, 5785, 5902, 8455, 8626, 11570, 14755, 16910, 20203, 21565, 21983, 29510, 40406, 43130, 43966, 56069, 101015, 109915, 112138, 202030, 219830, 262639, 280345, 383857, 525278, 560690, 767714, 1313195, 1919285, 2626390, 3838570, 4990141, 9980282, 24950705, 49901410]

約数ペア:

[(1, 49901410), (2, 24950705), (5, 9980282), (10, 4990141), (13, 3838570), (19, 2626390), (26, 1919285), (38, 1313195), (65, 767714), (89, 560690), (95, 525278), (130, 383857), (178, 280345), (190, 262639), (227, 219830), (247, 202030), (445, 112138), (454, 109915), (494, 101015), (890, 56069), (1135, 43966), (1157, 43130), (1235, 40406), (1691, 29510), (2270, 21983), (2314, 21565), (2470, 20203), (2951, 16910), (3382, 14755), (4313, 11570), (5785, 8626), (5902, 8455)]