210843190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:397

約数の個数: 64

約数和(自身を含む): 413994240

約数和(自身を除く): 203151050

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 131, 190, 197, 215, 262, 394, 430, 655, 817, 985, 1310, 1634, 1970, 2489, 3743, 4085, 4978, 5633, 7486, 8170, 8471, 11266, 12445, 16942, 18715, 24890, 25807, 28165, 37430, 42355, 51614, 56330, 84710, 107027, 129035, 160949, 214054, 258070, 321898, 490333, 535135, 804745, 980666, 1070270, 1109701, 1609490, 2219402, 2451665, 4903330, 5548505, 11097010, 21084319, 42168638, 105421595, 210843190]

約数ペア:

[(1, 210843190), (2, 105421595), (5, 42168638), (10, 21084319), (19, 11097010), (38, 5548505), (43, 4903330), (86, 2451665), (95, 2219402), (131, 1609490), (190, 1109701), (197, 1070270), (215, 980666), (262, 804745), (394, 535135), (430, 490333), (655, 321898), (817, 258070), (985, 214054), (1310, 160949), (1634, 129035), (1970, 107027), (2489, 84710), (3743, 56330), (4085, 51614), (4978, 42355), (5633, 37430), (7486, 28165), (8170, 25807), (8471, 24890), (11266, 18715), (12445, 16942)]