196898680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{677}}^1$

素因数の和:1360

約数の個数: 64

約数和(自身を含む): 484742880

約数和(自身を除く): 287844200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 661, 677, 1322, 1354, 2644, 2708, 3305, 3385, 5288, 5416, 6610, 6770, 7271, 7447, 13220, 13540, 14542, 14894, 26440, 27080, 29084, 29788, 36355, 37235, 58168, 59576, 72710, 74470, 145420, 148940, 290840, 297880, 447497, 894994, 1789988, 2237485, 3579976, 4474970, 4922467, 8949940, 9844934, 17899880, 19689868, 24612335, 39379736, 49224670, 98449340, 196898680]

約数ペア:

[(1, 196898680), (2, 98449340), (4, 49224670), (5, 39379736), (8, 24612335), (10, 19689868), (11, 17899880), (20, 9844934), (22, 8949940), (40, 4922467), (44, 4474970), (55, 3579976), (88, 2237485), (110, 1789988), (220, 894994), (440, 447497), (661, 297880), (677, 290840), (1322, 148940), (1354, 145420), (2644, 74470), (2708, 72710), (3305, 59576), (3385, 58168), (5288, 37235), (5416, 36355), (6610, 29788), (6770, 29084), (7271, 27080), (7447, 26440), (13220, 14894), (13540, 14542)]