212740910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{1901}}^1$

素因数の和:1977

約数の個数: 48

約数和(自身を含む): 417405312

約数和(自身を除く): 204664402

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 361, 589, 722, 1178, 1805, 1901, 2945, 3610, 3802, 5890, 9505, 11191, 19010, 22382, 36119, 55955, 58931, 72238, 111910, 117862, 180595, 294655, 361190, 589310, 686261, 1119689, 1372522, 2239378, 3431305, 5598445, 6862610, 11196890, 21274091, 42548182, 106370455, 212740910]

約数ペア:

[(1, 212740910), (2, 106370455), (5, 42548182), (10, 21274091), (19, 11196890), (31, 6862610), (38, 5598445), (62, 3431305), (95, 2239378), (155, 1372522), (190, 1119689), (310, 686261), (361, 589310), (589, 361190), (722, 294655), (1178, 180595), (1805, 117862), (1901, 111910), (2945, 72238), (3610, 58931), (3802, 55955), (5890, 36119), (9505, 22382), (11191, 19010)]