237490420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1\times {\mathrm{659}}^1$

素因数の和:1192

約数の個数: 48

約数和(自身を含む): 514039680

約数和(自身を除く): 276549260

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 487, 659, 740, 974, 1318, 1948, 2435, 2636, 3295, 4870, 6590, 9740, 13180, 18019, 24383, 36038, 48766, 72076, 90095, 97532, 121915, 180190, 243830, 320933, 360380, 487660, 641866, 1283732, 1604665, 3209330, 6418660, 11874521, 23749042, 47498084, 59372605, 118745210, 237490420]

約数ペア:

[(1, 237490420), (2, 118745210), (4, 59372605), (5, 47498084), (10, 23749042), (20, 11874521), (37, 6418660), (74, 3209330), (148, 1604665), (185, 1283732), (370, 641866), (487, 487660), (659, 360380), (740, 320933), (974, 243830), (1318, 180190), (1948, 121915), (2435, 97532), (2636, 90095), (3295, 72076), (4870, 48766), (6590, 36038), (9740, 24383), (13180, 18019)]