395397660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{134489}}^1$

素因数の和:134515

約数の個数: 72

約数和(自身を含む): 1287876240

約数和(自身を除く): 892478580

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, 134489, 268978, 403467, 537956, 672445, 806934, 941423, 1344890, 1613868, 1882846, 2017335, 2689780, 2824269, 3765692, 4034670, 4707115, 5648538, 6589961, 8069340, 9414230, 11297076, 13179922, 14121345, 18828460, 19769883, 26359844, 28242690, 32949805, 39539766, 56485380, 65899610, 79079532, 98849415, 131799220, 197698830, 395397660]

約数ペア:

[(1, 395397660), (2, 197698830), (3, 131799220), (4, 98849415), (5, 79079532), (6, 65899610), (7, 56485380), (10, 39539766), (12, 32949805), (14, 28242690), (15, 26359844), (20, 19769883), (21, 18828460), (28, 14121345), (30, 13179922), (35, 11297076), (42, 9414230), (49, 8069340), (60, 6589961), (70, 5648538), (84, 4707115), (98, 4034670), (105, 3765692), (140, 2824269), (147, 2689780), (196, 2017335), (210, 1882846), (245, 1613868), (294, 1344890), (420, 941423), (490, 806934), (588, 672445), (735, 537956), (980, 403467), (1470, 268978), (2940, 134489)]