355157080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{7741}}^1$

素因数の和:7820

約数の個数: 64

約数和(自身を含む): 847284480

約数和(自身を除く): 492127400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 370, 620, 740, 1147, 1240, 1480, 2294, 4588, 5735, 7741, 9176, 11470, 15482, 22940, 30964, 38705, 45880, 61928, 77410, 154820, 239971, 286417, 309640, 479942, 572834, 959884, 1145668, 1199855, 1432085, 1919768, 2291336, 2399710, 2864170, 4799420, 5728340, 8878927, 9598840, 11456680, 17757854, 35515708, 44394635, 71031416, 88789270, 177578540, 355157080]

約数ペア:

[(1, 355157080), (2, 177578540), (4, 88789270), (5, 71031416), (8, 44394635), (10, 35515708), (20, 17757854), (31, 11456680), (37, 9598840), (40, 8878927), (62, 5728340), (74, 4799420), (124, 2864170), (148, 2399710), (155, 2291336), (185, 1919768), (248, 1432085), (296, 1199855), (310, 1145668), (370, 959884), (620, 572834), (740, 479942), (1147, 309640), (1240, 286417), (1480, 239971), (2294, 154820), (4588, 77410), (5735, 61928), (7741, 45880), (9176, 38705), (11470, 30964), (15482, 22940)]