79389700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{353}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 187128648

約数和(自身を除く): 107738948

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 173, 260, 325, 346, 353, 650, 692, 706, 865, 1300, 1412, 1730, 1765, 2249, 3460, 3530, 4325, 4498, 4589, 7060, 8650, 8825, 8996, 9178, 11245, 17300, 17650, 18356, 22490, 22945, 35300, 44980, 45890, 56225, 61069, 91780, 112450, 114725, 122138, 224900, 229450, 244276, 305345, 458900, 610690, 793897, 1221380, 1526725, 1587794, 3053450, 3175588, 3969485, 6106900, 7938970, 15877940, 19847425, 39694850, 79389700]

約数ペア:

[(1, 79389700), (2, 39694850), (4, 19847425), (5, 15877940), (10, 7938970), (13, 6106900), (20, 3969485), (25, 3175588), (26, 3053450), (50, 1587794), (52, 1526725), (65, 1221380), (100, 793897), (130, 610690), (173, 458900), (260, 305345), (325, 244276), (346, 229450), (353, 224900), (650, 122138), (692, 114725), (706, 112450), (865, 91780), (1300, 61069), (1412, 56225), (1730, 45890), (1765, 44980), (2249, 35300), (3460, 22945), (3530, 22490), (4325, 18356), (4498, 17650), (4589, 17300), (7060, 11245), (8650, 9178), (8825, 8996)]