208354900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1931}}^1$

素因数の和:2041

約数の個数: 72

約数和(自身を含む): 493030944

約数和(自身を除く): 284676044

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 83, 100, 130, 166, 260, 325, 332, 415, 650, 830, 1079, 1300, 1660, 1931, 2075, 2158, 3862, 4150, 4316, 5395, 7724, 8300, 9655, 10790, 19310, 21580, 25103, 26975, 38620, 48275, 50206, 53950, 96550, 100412, 107900, 125515, 160273, 193100, 251030, 320546, 502060, 627575, 641092, 801365, 1255150, 1602730, 2083549, 2510300, 3205460, 4006825, 4167098, 8013650, 8334196, 10417745, 16027300, 20835490, 41670980, 52088725, 104177450, 208354900]

約数ペア:

[(1, 208354900), (2, 104177450), (4, 52088725), (5, 41670980), (10, 20835490), (13, 16027300), (20, 10417745), (25, 8334196), (26, 8013650), (50, 4167098), (52, 4006825), (65, 3205460), (83, 2510300), (100, 2083549), (130, 1602730), (166, 1255150), (260, 801365), (325, 641092), (332, 627575), (415, 502060), (650, 320546), (830, 251030), (1079, 193100), (1300, 160273), (1660, 125515), (1931, 107900), (2075, 100412), (2158, 96550), (3862, 53950), (4150, 50206), (4316, 48275), (5395, 38620), (7724, 26975), (8300, 25103), (9655, 21580), (10790, 19310)]