16074940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:419

約数の個数: 72

約数和(自身を含む): 40219200

約数和(自身を除く): 24144260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 349, 470, 490, 658, 698, 940, 980, 1316, 1396, 1645, 1745, 2303, 2443, 3290, 3490, 4606, 4886, 6580, 6980, 9212, 9772, 11515, 12215, 16403, 17101, 23030, 24430, 32806, 34202, 46060, 48860, 65612, 68404, 82015, 85505, 114821, 164030, 171010, 229642, 328060, 342020, 459284, 574105, 803747, 1148210, 1607494, 2296420, 3214988, 4018735, 8037470, 16074940]

約数ペア:

[(1, 16074940), (2, 8037470), (4, 4018735), (5, 3214988), (7, 2296420), (10, 1607494), (14, 1148210), (20, 803747), (28, 574105), (35, 459284), (47, 342020), (49, 328060), (70, 229642), (94, 171010), (98, 164030), (140, 114821), (188, 85505), (196, 82015), (235, 68404), (245, 65612), (329, 48860), (349, 46060), (470, 34202), (490, 32806), (658, 24430), (698, 23030), (940, 17101), (980, 16403), (1316, 12215), (1396, 11515), (1645, 9772), (1745, 9212), (2303, 6980), (2443, 6580), (3290, 4886), (3490, 4606)]