8574020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{673}}^1$

素因数の和:709

約数の個数: 72

約数和(自身を含む): 22589784

約数和(自身を除く): 14015764

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 673, 910, 980, 1274, 1346, 1820, 2548, 2692, 3185, 3365, 4711, 6370, 6730, 8749, 9422, 12740, 13460, 17498, 18844, 23555, 32977, 34996, 43745, 47110, 61243, 65954, 87490, 94220, 122486, 131908, 164885, 174980, 244972, 306215, 329770, 428701, 612430, 659540, 857402, 1224860, 1714804, 2143505, 4287010, 8574020]

約数ペア:

[(1, 8574020), (2, 4287010), (4, 2143505), (5, 1714804), (7, 1224860), (10, 857402), (13, 659540), (14, 612430), (20, 428701), (26, 329770), (28, 306215), (35, 244972), (49, 174980), (52, 164885), (65, 131908), (70, 122486), (91, 94220), (98, 87490), (130, 65954), (140, 61243), (182, 47110), (196, 43745), (245, 34996), (260, 32977), (364, 23555), (455, 18844), (490, 17498), (637, 13460), (673, 12740), (910, 9422), (980, 8749), (1274, 6730), (1346, 6370), (1820, 4711), (2548, 3365), (2692, 3185)]