313465740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{106621}}^1$

素因数の和:106647

約数の個数: 72

約数和(自身を含む): 1021012272

約数和(自身を除く): 707546532

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, 106621, 213242, 319863, 426484, 533105, 639726, 746347, 1066210, 1279452, 1492694, 1599315, 2132420, 2239041, 2985388, 3198630, 3731735, 4478082, 5224429, 6397260, 7463470, 8956164, 10448858, 11195205, 14926940, 15673287, 20897716, 22390410, 26122145, 31346574, 44780820, 52244290, 62693148, 78366435, 104488580, 156732870, 313465740]

約数ペア:

[(1, 313465740), (2, 156732870), (3, 104488580), (4, 78366435), (5, 62693148), (6, 52244290), (7, 44780820), (10, 31346574), (12, 26122145), (14, 22390410), (15, 20897716), (20, 15673287), (21, 14926940), (28, 11195205), (30, 10448858), (35, 8956164), (42, 7463470), (49, 6397260), (60, 5224429), (70, 4478082), (84, 3731735), (98, 3198630), (105, 2985388), (140, 2239041), (147, 2132420), (196, 1599315), (210, 1492694), (245, 1279452), (294, 1066210), (420, 746347), (490, 639726), (588, 533105), (735, 426484), (980, 319863), (1470, 213242), (2940, 106621)]