149715580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{673}}^1$

素因数の和:923

約数の個数: 72

約数和(自身を含む): 367890768

約数和(自身を除く): 218175188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 227, 245, 454, 490, 673, 908, 980, 1135, 1346, 1589, 2270, 2692, 3178, 3365, 4540, 4711, 6356, 6730, 7945, 9422, 11123, 13460, 15890, 18844, 22246, 23555, 31780, 32977, 44492, 47110, 55615, 65954, 94220, 111230, 131908, 152771, 164885, 222460, 305542, 329770, 611084, 659540, 763855, 1069397, 1527710, 2138794, 3055420, 4277588, 5346985, 7485779, 10693970, 14971558, 21387940, 29943116, 37428895, 74857790, 149715580]

約数ペア:

[(1, 149715580), (2, 74857790), (4, 37428895), (5, 29943116), (7, 21387940), (10, 14971558), (14, 10693970), (20, 7485779), (28, 5346985), (35, 4277588), (49, 3055420), (70, 2138794), (98, 1527710), (140, 1069397), (196, 763855), (227, 659540), (245, 611084), (454, 329770), (490, 305542), (673, 222460), (908, 164885), (980, 152771), (1135, 131908), (1346, 111230), (1589, 94220), (2270, 65954), (2692, 55615), (3178, 47110), (3365, 44492), (4540, 32977), (4711, 31780), (6356, 23555), (6730, 22246), (7945, 18844), (9422, 15890), (11123, 13460)]