247486260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{84179}}^1$

素因数の和:84205

約数の個数: 72

約数和(自身を含む): 806107680

約数和(自身を除く): 558621420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 84179, 168358, 252537, 336716, 420895, 505074, 589253, 841790, 1010148, 1178506, 1262685, 1683580, 1767759, 2357012, 2525370, 2946265, 3535518, 4124771, 5050740, 5892530, 7071036, 8249542, 8838795, 11785060, 12374313, 16499084, 17677590, 20623855, 24748626, 35355180, 41247710, 49497252, 61871565, 82495420, 123743130, 247486260]

約数ペア:

[(1, 247486260), (2, 123743130), (3, 82495420), (4, 61871565), (5, 49497252), (6, 41247710), (7, 35355180), (10, 24748626), (12, 20623855), (14, 17677590), (15, 16499084), (20, 12374313), (21, 11785060), (28, 8838795), (30, 8249542), (35, 7071036), (42, 5892530), (49, 5050740), (60, 4124771), (70, 3535518), (84, 2946265), (98, 2525370), (105, 2357012), (140, 1767759), (147, 1683580), (196, 1262685), (210, 1178506), (245, 1010148), (294, 841790), (420, 589253), (490, 505074), (588, 420895), (735, 336716), (980, 252537), (1470, 168358), (2940, 84179)]