195412980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{66467}}^1$

素因数の和:66493

約数の個数: 72

約数和(自身を含む): 636497568

約数和(自身を除く): 441084588

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, 66467, 132934, 199401, 265868, 332335, 398802, 465269, 664670, 797604, 930538, 997005, 1329340, 1395807, 1861076, 1994010, 2326345, 2791614, 3256883, 3988020, 4652690, 5583228, 6513766, 6979035, 9305380, 9770649, 13027532, 13958070, 16284415, 19541298, 27916140, 32568830, 39082596, 48853245, 65137660, 97706490, 195412980]

約数ペア:

[(1, 195412980), (2, 97706490), (3, 65137660), (4, 48853245), (5, 39082596), (6, 32568830), (7, 27916140), (10, 19541298), (12, 16284415), (14, 13958070), (15, 13027532), (20, 9770649), (21, 9305380), (28, 6979035), (30, 6513766), (35, 5583228), (42, 4652690), (49, 3988020), (60, 3256883), (70, 2791614), (84, 2326345), (98, 1994010), (105, 1861076), (140, 1395807), (147, 1329340), (196, 997005), (210, 930538), (245, 797604), (294, 664670), (420, 465269), (490, 398802), (588, 332335), (735, 265868), (980, 199401), (1470, 132934), (2940, 66467)]