71275100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{503}}^1$

素因数の和:639

約数の個数: 72

約数和(自身を含む): 168426720

約数和(自身を除く): 97151620

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 109, 130, 218, 260, 325, 436, 503, 545, 650, 1006, 1090, 1300, 1417, 2012, 2180, 2515, 2725, 2834, 5030, 5450, 5668, 6539, 7085, 10060, 10900, 12575, 13078, 14170, 25150, 26156, 28340, 32695, 35425, 50300, 54827, 65390, 70850, 109654, 130780, 141700, 163475, 219308, 274135, 326950, 548270, 653900, 712751, 1096540, 1370675, 1425502, 2741350, 2851004, 3563755, 5482700, 7127510, 14255020, 17818775, 35637550, 71275100]

約数ペア:

[(1, 71275100), (2, 35637550), (4, 17818775), (5, 14255020), (10, 7127510), (13, 5482700), (20, 3563755), (25, 2851004), (26, 2741350), (50, 1425502), (52, 1370675), (65, 1096540), (100, 712751), (109, 653900), (130, 548270), (218, 326950), (260, 274135), (325, 219308), (436, 163475), (503, 141700), (545, 130780), (650, 109654), (1006, 70850), (1090, 65390), (1300, 54827), (1417, 50300), (2012, 35425), (2180, 32695), (2515, 28340), (2725, 26156), (2834, 25150), (5030, 14170), (5450, 13078), (5668, 12575), (6539, 10900), (7085, 10060)]