208352560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2251}}^1$

素因数の和:2366

約数の個数: 80

約数和(自身を含む): 527778720

約数和(自身を除く): 319426160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 89, 104, 130, 178, 208, 260, 356, 445, 520, 712, 890, 1040, 1157, 1424, 1780, 2251, 2314, 3560, 4502, 4628, 5785, 7120, 9004, 9256, 11255, 11570, 18008, 18512, 22510, 23140, 29263, 36016, 45020, 46280, 58526, 90040, 92560, 117052, 146315, 180080, 200339, 234104, 292630, 400678, 468208, 585260, 801356, 1001695, 1170520, 1602712, 2003390, 2341040, 2604407, 3205424, 4006780, 5208814, 8013560, 10417628, 13022035, 16027120, 20835256, 26044070, 41670512, 52088140, 104176280, 208352560]

約数ペア:

[(1, 208352560), (2, 104176280), (4, 52088140), (5, 41670512), (8, 26044070), (10, 20835256), (13, 16027120), (16, 13022035), (20, 10417628), (26, 8013560), (40, 5208814), (52, 4006780), (65, 3205424), (80, 2604407), (89, 2341040), (104, 2003390), (130, 1602712), (178, 1170520), (208, 1001695), (260, 801356), (356, 585260), (445, 468208), (520, 400678), (712, 292630), (890, 234104), (1040, 200339), (1157, 180080), (1424, 146315), (1780, 117052), (2251, 92560), (2314, 90040), (3560, 58526), (4502, 46280), (4628, 45020), (5785, 36016), (7120, 29263), (9004, 23140), (9256, 22510), (11255, 18512), (11570, 18008)]