55505550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:262

約数の個数: 96

約数和(自身を含む): 144356832

約数和(自身を除く): 88851282

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 37, 50, 73, 74, 75, 111, 137, 146, 150, 185, 219, 222, 274, 365, 370, 411, 438, 555, 685, 730, 822, 925, 1095, 1110, 1370, 1825, 1850, 2055, 2190, 2701, 2775, 3425, 3650, 4110, 5069, 5402, 5475, 5550, 6850, 8103, 10001, 10138, 10275, 10950, 13505, 15207, 16206, 20002, 20550, 25345, 27010, 30003, 30414, 40515, 50005, 50690, 60006, 67525, 76035, 81030, 100010, 126725, 135050, 150015, 152070, 202575, 250025, 253450, 300030, 370037, 380175, 405150, 500050, 740074, 750075, 760350, 1110111, 1500150, 1850185, 2220222, 3700370, 5550555, 9250925, 11101110, 18501850, 27752775, 55505550]

約数ペア:

[(1, 55505550), (2, 27752775), (3, 18501850), (5, 11101110), (6, 9250925), (10, 5550555), (15, 3700370), (25, 2220222), (30, 1850185), (37, 1500150), (50, 1110111), (73, 760350), (74, 750075), (75, 740074), (111, 500050), (137, 405150), (146, 380175), (150, 370037), (185, 300030), (219, 253450), (222, 250025), (274, 202575), (365, 152070), (370, 150015), (411, 135050), (438, 126725), (555, 100010), (685, 81030), (730, 76035), (822, 67525), (925, 60006), (1095, 50690), (1110, 50005), (1370, 40515), (1825, 30414), (1850, 30003), (2055, 27010), (2190, 25345), (2701, 20550), (2775, 20002), (3425, 16206), (3650, 15207), (4110, 13505), (5069, 10950), (5402, 10275), (5475, 10138), (5550, 10001), (6850, 8103)]