309612940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{547}}^1$

素因数の和:887

約数の個数: 96

約数和(自身を含む): 804271104

約数和(自身を除く): 494658164

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 311, 364, 455, 547, 622, 910, 1094, 1244, 1555, 1820, 2177, 2188, 2735, 3110, 3829, 4043, 4354, 5470, 6220, 7111, 7658, 8086, 8708, 10885, 10940, 14222, 15316, 16172, 19145, 20215, 21770, 28301, 28444, 35555, 38290, 40430, 43540, 49777, 56602, 71110, 76580, 80860, 99554, 113204, 141505, 142220, 170117, 199108, 248885, 283010, 340234, 497770, 566020, 680468, 850585, 995540, 1190819, 1701170, 2211521, 2381638, 3402340, 4423042, 4763276, 5954095, 8846084, 11057605, 11908190, 15480647, 22115210, 23816380, 30961294, 44230420, 61922588, 77403235, 154806470, 309612940]

約数ペア:

[(1, 309612940), (2, 154806470), (4, 77403235), (5, 61922588), (7, 44230420), (10, 30961294), (13, 23816380), (14, 22115210), (20, 15480647), (26, 11908190), (28, 11057605), (35, 8846084), (52, 5954095), (65, 4763276), (70, 4423042), (91, 3402340), (130, 2381638), (140, 2211521), (182, 1701170), (260, 1190819), (311, 995540), (364, 850585), (455, 680468), (547, 566020), (622, 497770), (910, 340234), (1094, 283010), (1244, 248885), (1555, 199108), (1820, 170117), (2177, 142220), (2188, 141505), (2735, 113204), (3110, 99554), (3829, 80860), (4043, 76580), (4354, 71110), (5470, 56602), (6220, 49777), (7111, 43540), (7658, 40430), (8086, 38290), (8708, 35555), (10885, 28444), (10940, 28301), (14222, 21770), (15316, 20215), (16172, 19145)]