204420260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:365

約数の個数: 96

約数和(自身を含む): 486186624

約数和(自身を除く): 281766364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 131, 164, 173, 205, 220, 262, 346, 410, 451, 524, 655, 692, 820, 865, 902, 1310, 1441, 1730, 1804, 1903, 2255, 2620, 2882, 3460, 3806, 4510, 5371, 5764, 7093, 7205, 7612, 9020, 9515, 10742, 14186, 14410, 19030, 21484, 22663, 26855, 28372, 28820, 35465, 38060, 45326, 53710, 59081, 70930, 78023, 90652, 107420, 113315, 118162, 141860, 156046, 226630, 236324, 249293, 295405, 312092, 390115, 453260, 498586, 590810, 780230, 929183, 997172, 1181620, 1246465, 1560460, 1858366, 2492930, 3716732, 4645915, 4985860, 9291830, 10221013, 18583660, 20442026, 40884052, 51105065, 102210130, 204420260]

約数ペア:

[(1, 204420260), (2, 102210130), (4, 51105065), (5, 40884052), (10, 20442026), (11, 18583660), (20, 10221013), (22, 9291830), (41, 4985860), (44, 4645915), (55, 3716732), (82, 2492930), (110, 1858366), (131, 1560460), (164, 1246465), (173, 1181620), (205, 997172), (220, 929183), (262, 780230), (346, 590810), (410, 498586), (451, 453260), (524, 390115), (655, 312092), (692, 295405), (820, 249293), (865, 236324), (902, 226630), (1310, 156046), (1441, 141860), (1730, 118162), (1804, 113315), (1903, 107420), (2255, 90652), (2620, 78023), (2882, 70930), (3460, 59081), (3806, 53710), (4510, 45326), (5371, 38060), (5764, 35465), (7093, 28820), (7205, 28372), (7612, 26855), (9020, 22663), (9515, 21484), (10742, 19030), (14186, 14410)]