2906190

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{659}}^1$

素因数の和:686

約数の個数: 72

約数和(自身を含む): 8803080

約数和(自身を除く): 5896890

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 659, 735, 882, 1318, 1470, 1977, 2205, 3295, 3954, 4410, 4613, 5931, 6590, 9226, 9885, 11862, 13839, 19770, 23065, 27678, 29655, 32291, 41517, 46130, 59310, 64582, 69195, 83034, 96873, 138390, 161455, 193746, 207585, 290619, 322910, 415170, 484365, 581238, 968730, 1453095, 2906190]

約数ペア:

[(1, 2906190), (2, 1453095), (3, 968730), (5, 581238), (6, 484365), (7, 415170), (9, 322910), (10, 290619), (14, 207585), (15, 193746), (18, 161455), (21, 138390), (30, 96873), (35, 83034), (42, 69195), (45, 64582), (49, 59310), (63, 46130), (70, 41517), (90, 32291), (98, 29655), (105, 27678), (126, 23065), (147, 19770), (210, 13839), (245, 11862), (294, 9885), (315, 9226), (441, 6590), (490, 5931), (630, 4613), (659, 4410), (735, 3954), (882, 3295), (1318, 2205), (1470, 1977)]