851840300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{2477}}^1$

素因数の和:2691

約数の個数: 72

約数和(自身を含む): 1957322640

約数和(自身を除く): 1105482340

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 181, 190, 362, 380, 475, 724, 905, 950, 1810, 1900, 2477, 3439, 3620, 4525, 4954, 6878, 9050, 9908, 12385, 13756, 17195, 18100, 24770, 34390, 47063, 49540, 61925, 68780, 85975, 94126, 123850, 171950, 188252, 235315, 247700, 343900, 448337, 470630, 896674, 941260, 1176575, 1793348, 2241685, 2353150, 4483370, 4706300, 8518403, 8966740, 11208425, 17036806, 22416850, 34073612, 42592015, 44833700, 85184030, 170368060, 212960075, 425920150, 851840300]

約数ペア:

[(1, 851840300), (2, 425920150), (4, 212960075), (5, 170368060), (10, 85184030), (19, 44833700), (20, 42592015), (25, 34073612), (38, 22416850), (50, 17036806), (76, 11208425), (95, 8966740), (100, 8518403), (181, 4706300), (190, 4483370), (362, 2353150), (380, 2241685), (475, 1793348), (724, 1176575), (905, 941260), (950, 896674), (1810, 470630), (1900, 448337), (2477, 343900), (3439, 247700), (3620, 235315), (4525, 188252), (4954, 171950), (6878, 123850), (9050, 94126), (9908, 85975), (12385, 68780), (13756, 61925), (17195, 49540), (18100, 47063), (24770, 34390)]