278328330

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{63113}}^1$

素因数の和:63140

約数の個数: 72

約数和(自身を含む): 841814532

約数和(自身を除く): 563486202

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 63113, 126226, 189339, 315565, 378678, 441791, 568017, 631130, 883582, 946695, 1136034, 1325373, 1893390, 2208955, 2650746, 2840085, 3092537, 3976119, 4417910, 5680170, 6185074, 6626865, 7952238, 9277611, 13253730, 15462685, 18555222, 19880595, 27832833, 30925370, 39761190, 46388055, 55665666, 92776110, 139164165, 278328330]

約数ペア:

[(1, 278328330), (2, 139164165), (3, 92776110), (5, 55665666), (6, 46388055), (7, 39761190), (9, 30925370), (10, 27832833), (14, 19880595), (15, 18555222), (18, 15462685), (21, 13253730), (30, 9277611), (35, 7952238), (42, 6626865), (45, 6185074), (49, 5680170), (63, 4417910), (70, 3976119), (90, 3092537), (98, 2840085), (105, 2650746), (126, 2208955), (147, 1893390), (210, 1325373), (245, 1136034), (294, 946695), (315, 883582), (441, 631130), (490, 568017), (630, 441791), (735, 378678), (882, 315565), (1470, 189339), (2205, 126226), (4410, 63113)]