2990260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:113

約数の個数: 96

約数和(自身を含む): 8128512

約数和(自身を除く): 5138252

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 53, 62, 65, 70, 91, 106, 124, 130, 140, 155, 182, 212, 217, 260, 265, 310, 364, 371, 403, 434, 455, 530, 620, 689, 742, 806, 868, 910, 1060, 1085, 1378, 1484, 1612, 1643, 1820, 1855, 2015, 2170, 2756, 2821, 3286, 3445, 3710, 4030, 4340, 4823, 5642, 6572, 6890, 7420, 8060, 8215, 9646, 11284, 11501, 13780, 14105, 16430, 19292, 21359, 23002, 24115, 28210, 32860, 42718, 46004, 48230, 56420, 57505, 85436, 96460, 106795, 115010, 149513, 213590, 230020, 299026, 427180, 598052, 747565, 1495130, 2990260]

約数ペア:

[(1, 2990260), (2, 1495130), (4, 747565), (5, 598052), (7, 427180), (10, 299026), (13, 230020), (14, 213590), (20, 149513), (26, 115010), (28, 106795), (31, 96460), (35, 85436), (52, 57505), (53, 56420), (62, 48230), (65, 46004), (70, 42718), (91, 32860), (106, 28210), (124, 24115), (130, 23002), (140, 21359), (155, 19292), (182, 16430), (212, 14105), (217, 13780), (260, 11501), (265, 11284), (310, 9646), (364, 8215), (371, 8060), (403, 7420), (434, 6890), (455, 6572), (530, 5642), (620, 4823), (689, 4340), (742, 4030), (806, 3710), (868, 3445), (910, 3286), (1060, 2821), (1085, 2756), (1378, 2170), (1484, 2015), (1612, 1855), (1643, 1820)]